Showing posts with label Injury recovery & rehab. Show all posts
Showing posts with label Injury recovery & rehab. Show all posts

Monday, January 21, 2013

Retro-respect

A recent forum post about recovery and returning to cycling and/or competition following serious injury prompted me to remind myself of my first attempt to cycle following my accident and hospitalisation in 2007. I've had an extended break from the bike and competition  this past 12 months and it's time to start again, at least the riding bit. Competition maybe, we'll see. I'm hoping a few moments of retrospective thought will aid my motivation levels for the days and weeks ahead.

Not counting my miserable attempts at turning the cranks on the hand cycle ergometer in the hospital rehab ward, below is a picture of the power file from my first attempt to cycle post-accident, which was nine months after my accident:


10-minutes at a little over 100 watts.

That was on my bike fitted onto a fluid trainer loaned to me by a mate (thanks Peter B) as by then I'd handed off my awful magnetic resistance unit to an unlucky sod (Peter W). I used a 100mm left crank arm made by another mate (thanks Steve D) as at the time I was unable to bend the knee far enough to pedal with a full length crank.

I didn't have a specific bike leg at the time, just the leg with running shoe (my first prosthetic), and used a flat bed pedal instead of the regular clip-in bike pedal.



I only managed a few similar efforts that week, then a break for a while as I had a bad back problem which took me back to hospital. I tried again in February 2008 which again was only a few attempts before a break of several months because I was having a lot of leg and prosthetic problems. Those were several bad months.

I really got going in June once I had a better prosthetic and a cycling leg system worked out (thanks again to Peter B for the adapter plate idea and prototype). Training in earnest started on my Thunderbird 7 set up on Friday the 13th of June with a similar effort, this time 15-minutes at about 100W. Clearly my lucky day. Thunerbird 7 became my friend.

When rehabilitating for cycling - an indoor trainer set up is ideal. You can try things out, test yourself without being overly concerned about regular outdoor safety matters, ride without the extra strains caused by undulating terrain, adjust the bike set up in a way to help that might not be feasible outdoors, and know that if you have a problem you can stop and not be far from help.

Within two years, I had attained 60-minute maximal race power of 327W.

Recovery from injury takes time and requires patience. The more serious the injury, the more time and patience is needed. It also require persistence and perseverance. There will be set backs along the way which at the time may seem permanent and can be rather depressing, but usually turn out to be temporary and simply serve to encourage one to become creative in finding solutions.

And you'll always be wondering if you'll ever regain full fitness or ride as you used to. One can never really know the answer to that question unless they persist and have patience. Set no limits, focus on applying sound training principles and set some sensible goals along the way. I started out at 30% of my previous fitness level and I ended up eventually beating it. It took three and a half years.

For some it might come more quickly, others will take longer, and some may not get there because the impact of the injury is too severe. Whatever level you get to, the journey back is worth it and is the most important part, and you just may amaze yourself at what you are capable of.

While progress along the way is great and helps motivation, I did ride through pain at times. You can do that when determined enough. Sometimes.

I had a hole in the side of my knee for two of those years (sometimes a small ulcer, sometimes deep and pretty gross). I trained and raced on it and it would hurt, at times badly, other days not so bad. I got good at shutting it out on some days, while on others I would cave in and cry my way home. After one race I had hurt my knee so badly it took several weeks before I could walk again, let alone ride. I never felt it during the two-hour race. Within minutes of finishing, I was a mess and knew I was in trouble.

I learned over time that the pain was not a necessary element to training (it was holding me back no matter how much I tried to block it), nor did I have to put up with it. There were solutions, although sometimes they would be found accidentally which would prompt me to work out why and resolve it if at all possible. A change of leg design eventually cured my knee hole.

So, if you're on the wrong end of an serious injury causing incident, and are making those steps to recovery and rehab, just keep in mind it's definitely possible to improve. Just take your time, have the patience and persistence, find solutions to the inevitable problems and set backs along the way, and record your journey  as you'll never know when you might want to look back and respect the retrospect.


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Wednesday, April 11, 2012

Bon Anniversaire V

5 years today. Rest of post to follow. Maybe.

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Friday, November 11, 2011

Mean Maximal Power: A Unique Comparison

It's been a while since I posted. Just too busy for the most part so my apologies.  I'll do an update at some stage!

I had a long break from training due to a prosthetic leg changeover in June (had a few transition problems with that) and a lot of travel in August and September. I've been back on the bike for a few weeks now (the hardest part sometimes).  I sure have some fitness to catch up on.

For some personal motivation, I thought I'd post up a couple of charts comparing my performance before and after the leg amputation (I get asked about it occasionally, and my data is being analysed for a science write up at the moment).

So I thought I would summarise it in a neat chart known as a Mean Maximal Power (MMP) chart.

MMP charts show your best power ouput for all durations from very short periods (seconds) through to very long periods (hours). Because the horizontal axis represents durations from second to minutes to hours, we turn that into a logarithmic scale, so we can inspect best power outputs for durations covering a wide time spectrum.  Power is represented on the vertical axis.

As you would expect, one can produce higher power for short periods (seconds), and somewhat lower power over longer periods (hours), so the chart trends downwards as you move to the longer durations on the right.

By using WKO+ software, I made a comparison of my all time personal best power for the time before my accident and amputation and since then.

Two versions plotting mean maximal power to weight ratios, one for Average Power and one for Normalised Power. The blue line is before amputation, the red line is since then.

Click on the chart to see a full sized version:


The chart above shows my best W/kg for all durations.

What is very clear from that chart is the wide performance gap for very short durations but the closeness in performance over durations longer than a minute or so.  This suggests my sustainable aerobic power and my anaerobic work capacity hasn't been significantly hampered by riding with a prosthetic, however my neuromuscular power (used for sprinting and short duration hard accelerations and efforts) has been significantly compromised.

What about Normalised Power?


When plotting NP data, WKO+ restricts the output to a minimum of 5-minutes.  For most analysis and application, we really don't read too much into NP for durations shorter than about 20- to 30-minutes.  But nonetheless, the chart shows an interesting change in my power profile when viewed through the lens of Normalised Power.

NP appears to amplify the difference in performance over a wider part of the primarily aerobic duration spectrum (> 5-minutes) when compared with the Average Power chart

A reduction in my ability to perform those short high power bursts (up to ~ 30 seconds or so) definitely comes though in the NP for durations from 5- minutes to about 30-minutes.

For longer durations than half an hour though, I have been able to equal or somewhat exceed my best pre-amputation NP outputs.

This I think is reflective of the type of racing I do - which is lots of track and crit racing, some road races and only occasional time trials.  So for an apples to apples comparison, I certainly think this NP chart is pretty telling.

I no longer have that weapon of short high end power, but have instead found other ways to make up for it.

Of course this is just one way to use MMP charts. Once can plot one season over another and make comparisons as to their overall progress. Or any time periods they care to compare.

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Monday, April 11, 2011

Bon Anniversaire IV

Well another of my annual updates - four years today since my accident.

For previous editions, click here:
Bon Anniversaire III

What a year, much to talk about, some very good, some simply awful. It's a long post, so come back later if you don't have the time right now....

Perhaps I get the awful out of the way quickly. Typically I don’t make many comments about personal stuff on here beyond cycling activity, so this will be brief. But they were significant and important.

My father passed away in September. He went peacefully and while it was a sad occasion and there is never a right time, it was not so bad all things considered.

Then later in the year my dear younger cousin Dante also died, losing a very swift battle with an aggressive cancer and that was about as bad as it gets. His death really was completely and utterly shite in so many ways. Those that know, know how we all feel about it. All I know is that I am blessed to have spent all those times together with him and continue to live as I do. Enough of that. It is/was awful and will remain with us for a long time.

2010 was a pretty skinny year for my blogging, mostly because I was simply too busy and not because there isn't much to write about. There are lots of topics I have on the simmer, just need the time to get to them.

Taking my energies are four new / start up / emerging business I am involved in, and that takes a bit of doing! All of them cycling related so I'll talk some more about them. Obviously I was also training and racing too and I’ll get to that as well!

Turbocharged business

Taking a substantial chunk of my energy was the continued development of Turbo Studio, and of course my world wide coaching activities. At this time last year, Turbo Studio had only been operating two months.

Since then Turbo Studio has really blossomed and is now a benchmark for how to run these businesses. Over the Christmas break we expanded and refurbished the centre and it was just as well, with the extra capacity being taken up quickly.

Working with Joanne has been (and still is!) an absolute pleasure and I thank all those clients who have made the commitment with us to improve their cycling. Listening to all their stories of great results and personal bests is most gratifying. Jo & I are forever talking about ways to help each client improve. It inspires us. And the indoor race series was an absolute hoot.

The best thing is it’s all grounded in the sound and practical application of science to training which, as long term followers of this blog will know, is a passion of mine. And it is this application of stuff that actually works that is core to why people come, and keep coming back (along with an environment conducive to training for riders from all disciplines).

We don’t go for fads, pseudo-science or sell things based on scant evidence. Jo of course emphasises the business fundamentals of quality marketing and customer support/relations, as well as the coaching. She works so hard and with a passion and commitment to success. It’s a great team.

We also started our own outdoor road training squad, with the Turbo Studio cycling kit now a regular feature on Sydney’s Saturday morning roads. Again the focus is on good training. Far too many groups seem more interested in quantity of riders over the quality of their training, and that’s not how we do things. Group sizes are kept down to promote a higher quality of ride, greater safety, better skill drills, more enjoyment and a far better training impact. They are fun too!

We look forward to opening more Turbo Studios in the years ahead.

Power to the people

So from one new business to another – in 2010 I was appointed by SRM to be an official retailer of their power meter products here in Australia (and some limited offshore markets). That’s been going well, and while a small and specific segment of the market, it perfectly complements everything else I do. The product is first rate in the world of power meters. Let me know if you want one – I promise a good deal!


Coaching goes up a gear

Late in 2010, Ric Stern made the smart move for us both to take the coaching business up another notch, and so Ric brought on board Dave Smith (a former GB coach) as our new commercial director. We set up a new company, RST Sport and the three of us are the directors. We appointed a high quality group of coaches to join our existing team – all with strong background in the practical application of science to coaching for performance. While cycling is our mainstay, we are also working with high level sports people from many backgrounds. The depth of talent on our team is seriously impressive.

My clients this past year have been based all around the world, including Mexico, USA, Australia, France, Norway, the UK and Ireland. It's exciting and fun to work with a diverse group of clients across the globe - and they have all moved up to new levels with their own performances - we all look forward to the challenges ahead, with some big goals to knock over this year. I thank them too for their continued support.

2011 will be an exciting year for RST Sport. There is so much happening and to do.

The cutting edge

There’s one other venture I’m involved in. I can’t reveal a great deal about it other than it will be a new technology specifically designed for the accurate assessment of the aerodynamics of a bike and rider while they are riding their bike, no matter the environmental conditions. It is this latter element that makes this project seriously exciting. This is cutting edge stuff in so many ways, and again I find myself involved with some very smart people. As I can, I’ll talk more about it, but if you’ve heard of “Aerostick” then you’ll know what I’m talking about.

Travels

In September and October, I made a return trip to California to spend another week with Steve P and his family, who once again so generously hosted my visit. We had some great rides in and around Sonoma County and once again I participated in Levi Leipheimer’s Granfondo. I can’t thank Steve enough for the opportunity afforded me.

After the week in Santa Rosa, I made a long road trip, first south to San Diego to meet up with a new client, a very promising junior from Mexico, and his father. After that I headed east through Arizona and New Mexico, visiting some places I’d seen before and some new sights.

I'd been to Sedona before, but thought it was worth another look:



This was on my way to Colorado Springs via New Mexico to catch up with the good Dr Andy Coggan, who was talking at the USA Cycling coaching conference which I sat in for a session and spent a little time hanging with the USAC coaching development team. Andy & I hung out for the day which was pretty cool. Andy's the skinny dude:


Then I headed back west to do some sightseeing through Utah, Nevada on my way back to Santa Rosa. Here's a few pics from the journey. You can click on any of them to see a bigger version. It's pretty spectacular scenery:


Once back in Santa Rosa, I delivered a seminar on aerodynamic field testing using a power meter, hosted by our good friends at Echelon Cycles. Among those attending the seminar was Professor Robert Chung, whose methodology was one of those I was lecturing on, so it was kinda cool to have the good professor in the audience. You sure know quick smart if you make a mistake, but I don't make too many fortunately.

We were scheduled to do an actual practical field testing exercise the next day, however the heavens opened up and so rain forced us to postpone to another day. I was headed back to Sydney the next day, so follow up was done remotely. Amazing thing this internet.

In February I got to return the visitor’s favour to one of Steve’s team mates – Peter and his partner Therese, hosting their visit to Sydney and taking them on a road trip, mainly to see some kangaroos. We saw hundreds of the buggers. Lol. That was fun.

Training & racing

Yep, did that too!

Just after my last annual report, I raced a local 2-hour enduro and it was hard. Riding as part of squad we did well on the day. As it turns out, my two-hour race power was my highest ever all time, pre- and post-amputation. I was pretty amazed but there you go. It would seem legs are over rated.

But there was a cost. My knee didn’t agree with the effort that day, and severe pain and swelling resulted in several weeks off the bike and nearly a week of being unable to use the leg for walking. Now it wasn’t all the bike racing’s fault, as that was Easter and I had a visit by a mate and his kids and we spent a long day out doing touristy things. That meant many hours on my feet, and well that just doesn’t agree with me. I seem to be able to do 6 hour hilly rides with no ill effects, but 6 hours of standing/walking is bad news.

These set backs happen to most competitive athletes and we learn to deal with them as best we can. As an amputee, well it adds a bit of extra spice to the mental challenge. Along with that I was having a few challenges with the bureaucracy of cycling and wondering whether para-cycling was worth the emotional investment.

Once the leg settled down, I began the rebuild and training went well, with one winter flu bug being the only interruption (well that and my driving holiday in the USA). But not a lot of racing to speak of for the balance of 2010. That picked up early 2011.

Performance highlights were:

- Setting all time power to weight bests for aerobic power from 4-minutes through to 2 hours.

- Winning my opening crit at Heffron (by breaking away with 3km to go for a solo victory)

- Silver medals in both the Kilo time trial and 4km individual pursuit at the paracycling national track championships

- 4th place in the State points race in a field with two world champs

- A win and a new State record time with my team at the Masters Team Pursuit Championships, repeating the same feat we attained in 2007, just a couple of months before my accident

- And just this weekend at the National paracycling road championships, a silver medal in the individual time trial (24km) and a bronze medal in the road race. I made the move in the sprint and it so very nearly paid off with a win and national championship but it was not to be, with my competitors getting me on the line. Inspecting my power file shows a PB 30-second power post amputation, which just shows I really did commit and give it all I had.

- And today, of all days, I get notice that the national selectors are recommending I get a start at the UCI Paracycling Road World Cup in May. That was my main season goal. How good is that!

There is other racing news to come (especially about my new sponsored race team), but I’ll talk about that later once it’s officially launched.

Here I am in the new race kit at the State points race:


Once again there are so many people that have helped me along the way and I am very grateful for their support. Hard not to mention Ric Stern of course, the super coach who's taken me from the lows to banging out more power than when I had two legs. Thanks Ric.

This next year will be a cracker. I can just feel it.

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Sunday, April 11, 2010

Bon Anniversaire III

Three years today since my accident.

I’m not sure sometimes if it seems like yesterday, or a lifetime ago, as the temporal distance sensation oscillates from day to day.

One thing is for sure, I am mostly looking ahead and not back. But anniversaries (good or bad) tend to be times for reflection. So it is once again with today’s post.

I did previous post-accident annual reviews in these two posts in 2008 and 2009:
Bon Anniversaire
Bon Anniversaire II

It’s been, all up, a pretty darn good year with more change and plenty of challenges. In keeping with the theme of this blog, I’ll go over my rehab and cycling related topics for the past year and leave out other personal stuff.

Rehab
My physical rehabilitation has progressed very well. I upgraded my general prosthetic in June 2009 as I had “under grown” the other one. I say “under grown” as my fellow acquired amputees would know that the residual leg (or “stump” as we call it) gradually shrinks over time, until it settles after 2-3 years. It does continue to change over the years.

Prosthetic sockets, being hard inflexible containers for your stump, eventually have to be re-made to suit your new size and shape. In between times, you adjust to it each day, and through the day, by using different size, thickness and number of socks to provide for more or less compression as comfort dictates.

One frustrating aspect was my early use of the new prosthetic didn’t go so well. My knee reacted badly and it broke open the skin on the inward side of my knee and the rubbing against tendon created significant discomfort. My knee swelled and I couldn’t get my stump into the socket. Which sucked. A lot.

Eventually it settled down and I could get back to “normality”.

The open sore / hole in the side of my knee created in June 2009 is still there today. It simply won’t heal up. I’ve tried all sorts of tricks and tips to fix it but with no real success. The only option I think is to not wear a prosthetic for as long as it takes to properly heal over – which I would estimate to be maybe three or more weeks. That’s just not really much of an option when you’re a cycling coach. But it may come to that one day.

Most of the time it’s not so bad, but occasionally it flares up and the knee swells and it hurts when I put the leg on, sometimes standing/walking can be very painful. Sometimes I can’t get into my prosthetic at all. It happened again in December 2009, and the same thing has happened this week. So far I haven’t been able to nail down a consistent trigger for it – which is something I really want to do, as if I know how to avoid it in future, then that’s what I’ll do!

Cycling Performance
Those leg troubles aside, my cycling performance improvement has been excellent. So much so that in the past six months I have actually exceeded pre-amputation power output levels over significant durations, both in terms of absolute wattages, and expressed as power to body mass ratio terms.

I did this post on Power Profiling in January, which compared my then post-amputation power profile to my pre-amputation power profile.

Here’s another chart to show my progress since I got back on the bike in June 2008. It shows the maximal 1-hour (normalised) power I attained in each 90-day period since starting riding again, right through to today. I chose normalised power as it provides a sensible comparison of my performance capacity across all types of racing and training, and represents a very good estimate of the progression in my Functional Threshold Power.


As you can see, my progression has been consistent and steady, culminating in a 1-hour race power last weekend exceeding my all time best except for just one occasion from my pre-amputation racing days (that was during the State Criterium championships in 2006 at 337W).

In fact, in that race last weekend I set my all time highest 2-hour normalised power of 315W.

I must admit, I do surprise even myself at times.

Of course, all the way through this I have had fantastic support from many people, especially from my coach Ric Stern. We are setting no limits on what's possible. Heck, when I can outperform what I did on a bike before an amputation, then what else can I do?

Nevertheless, I still have lost significant elements of my cycling capacities, most notably my sprinting and standing start abilities have been curtailed somewhat. Which just means they may require more work in order to close that gap as well.

Cycling Leg
After getting my new general purpose leg, I also worked on adding a dedicated cycling leg to my “stable”. Previously, in order to cycle, I used to screw off my walking “foot” and screw on a cycling “leg” attachment. It enabled me to ride but it was a PITA having to keep screwing them on/off, and the constant changing would not have been doing the components much good (one day I found one clamp had completely cracked through). And being very sensitive to the set up of the bike leg (lengths/angles etc), this process did have a habit of unintentionally changing the set up at times, enough to cause discomfort or pain when riding.

Getting a dedicated leg would make sure the set up was better suited for the bike, and have the ability to quickly remove one leg and put on the other, if for instance I wanted to hop off at the track and walk somewhere.

So it was back to George at the Appliance and Limb Centre for the bike leg socket design. That bit wasn't so hard as it was really a replica of my existing general purpose socket (all carbon fibre custom moulding) although that might be understating it a little. The funky bits were what we attached to it and the design of an aerodynamic outer shell.

It was all made possible with the funding raised by the local track cycling community organised by Paul Craft of RAW Track fame (and donations and help from wonderful people all over the world), who generously raised about $8000 to cover the costs. The leg was built and we designed a funky aerodynamic carbon fibre cover for it. The leg cost $7600. Add to that a new stump liner at $1000 a pop (and which wear out pretty quickly I’ve since discovered, needing several per year), and well, there goes the $8k!

Also a big thank you to John Bosevski of Cycle Underground who engineered a special adapter plate for connecting the standard prosthetic block to a standard 3-hole cycling cleat. That was based on an original version Peter Barnard made for me in his home workshop.

Steve Nemeth, CEO of Bont Shoes, supplied me with custom mouldable Bont road and track shoes, which have been great (thanks Steve). If anyone needs a size 44 left Bont cycling shoe - let me know - I have two of them spare!

That lace up track shoe is the best I've ever used. Steve has also helped with a few other bits for me. In a semi-related note, just last week I was contacted by a fellow from Canberra, who was in touch with a guy I know in Perth, who for some reason ended up with a spare right Bont shoe in my size. I don't know what happened to the left one and so he generously mailed the spare shoe to me!

Of course getting the leg sized up and fitted properly for the bike - well I was helped by none other than my good buddy and bike fit guru Steve Hogg of Sydney Cyclefit Centre. It was amazing how just the smallest tweak in the grub screws at the bottom of the leg make a large difference in my ability to pedal effectively and in (relative) comfort.

The leg has been great and has been very well used so far and the support I received was, and continues to be, amazing and I am very grateful to everyone for helping.

Racing
In April and May 2009 I competed at both the Para-cycling National and Oceania Paralympic championships, my first attempt at Para-cycling events. I picked up a silver medal in both the road race & time trial at the Nationals and two Gold medals in the same events at the Oceania Paralympic event held in Darwin.

In August I started racing back at the track during the Friday Night Winter race series, and even won my first track race since returning. It was good to be back on the boards. The previous year when I couldn’t race, I was the Chief Commissaire for the series. This time I did half the series as commissaire / half racing.

In October 2009 I raced the UCI World Masters Track Championships. I surprised myself with my 3rd fastest ever 3km individual pursuit and made the finals of both the scratch and points races. I was very happy with that, partly because in 2005 I set out with the goal of making those finals in 2007, but my accident happened in the lead up to the 2007 event and destroyed those hopes. I was also surprised because they were very hard races and there were some pretty fancied names that missed out on finals. It just showed me once again what was possible provided you keep at it, remain positive and do the work necessary.

In November I ventured back to doing an open track race carnival up at the Central Coast (always good carnival that one). It was a successful night and I won one race, took three second places and a 5th in the open miss ‘n’ out race.

My form kept building and I started to approach pre-amputation power output levels. Maybe, I thought, I could get there....

Then, bang – I go and do some time trial training efforts at a power higher than pre-amputation levels. Holy smokes!! OK, don’t stop now :D

All this was of course part of my plan to race the National Para-cycling track championships earlier this year and come home a National Champ. I ended up not even going. I’m not going to bore you with the details, just to say that bureaucratic stuffing about regarding State selection policy left me in no-man’s land for the second year running, unable to plan for the expense and time needed to participate and I had to commit to other things. My form was excellent. Shit happens they say.

The experience left a bad taste though and I struggled for motivation for a little while after that episode. But we move on. I am now somewhat ambivalent about para-cycling competition. Apart from the good encouragement I receive from other para-cyclists, I experienced a less than enthusiastic level of interest from officials in seeing more riders compete at championships; indeed it seemed as if there was active dissuasion going on. Turns out I wasn’t the only one to experience that, which was kind of good (in a bad way) as it meant I wasn’t just being paranoid.

Eventually I got myself going again, and as always the best thing for me is to pin a number on my back and go race! I just love racing so I raced some local criteriums. What grade? Well I started with the local open C-grade.

Oops, won that comfortably.

Next time out I went to B-grade....


Oops, I bridged across to a break and the three of us circulated at same pace as A-grade and left the rest of them to fight it out for nothing. OK, so I’ve been re-graded back into A-grade. LOL.

Last weekend I raced a local Masters Enduro – a 2 hour + 1 lap affair. What a corker of a race! Apart from helping a mate (& client) get into a successful 3-man break, along the way I generated my highest ever 2-hour race power and 2nd highest ever 1-hour race power. Here I am poking my tongue out for a bit of fun when I spotted photographer Ernie Smith.

OK - I nicked that pic off Ernie's website - I'll sort that later with him :-)

California/Seminar/GranFondo
In September & October 2009, I had a wonderful experience all down to the generosity of Steve Palladino and family, who invited me to stay with them in Santa Rosa.


While there I delivered a seminar on Training and Racing with a Power Meter (talking about a case study in application of a power meter to help Jayson Austin achieve his world masters hour record), did some great training rides with Steve, culminating in Levi Leipheimer’s 170km GranFondo along with the Fightin’ Boba crew. It was fantastic.

Coaching
My coaching activity took another step up through the past year, it’s now the sole source of my income and I love it. I have a great group of clients, spread all across the globe ( I currently have coaching clients located in seven countries) and I really enjoy helping them to perform even better than ever.

Some great results from riders & teams I coach, including multiple State & National championship wins and one world record. Here's a pic of Jayson on his way to a UCI world record.


I started up a new product, customised 3-month training plans, which have been very successful with sales going worldwide including the UK, Europe, Africa, Middle East, USA, Canada, New Zealand and of course all States of Australia. Lots of great feedback with people reporting excellent results and coming back for their second and third plans.

Along with Joanne Palazzetti, I have been very busy with the establishment of a new indoor training centre for cyclists and triathletes – the Turbo Studio. We commenced operation in February 2010 and so far the response has been excellent, with really good growth in client numbers - already some of our sessions are full.


People are really responding to the professionalism of the set up and having a dedicated cycle coaching resource available to guide them in the right direction and answer their various enquiries about training. Half the time is spent dispelling training myths and educating about the use of power measurement in training. It’s all evidence-based training principles and the results are speaking for themselves.

I want to thank Jo for her totally professional approach, creativeness, passion and friendship in getting this project up and running, and for asking me to come on board and just do what I do – i.e. help people get the most from training with power!!

Added to that, I began a power meter hire business. That’s also going well!

Ric Stern & I have been working on other things at RST, with Ric getting the cyclecoach.com website updated with many new features including the establishment of a new forum for all things bike related – especially about training and racing and to support all our coaching clients around the world, including those who are using our Training Plans. The members' forum is available for anyone to join.

Not stopping there – we have other projects in the pipe and expect to announce shortly the addition of new coaches to the RST crew. We have a pretty thorough selection process as we seek to maintain the highest standards in professional and scientific coaching services.

I also embarked upon something I expected to do years ago, and upgrade to the Cycling Australia Level 2 coaching accreditation (I was scheduled to do it in 2007 but my accident got in the way of that). Level 2 is the highest level of accreditation available in Australia bar those on CA staff who are required to do a Level 3.

So far I’ve done part I of the process, which was to attend the week-long CA coaching course in November & December but I still need to complete the balance of activities. It’s just been overly busy since then, especially with the setting up of a new business but I’ll get back to that as a priority over the next few months.

It’s not like I’m not doing practical coaching – it’s what I do for a living and I supervise training groups every working day, write about it constantly and so on.... :-)

So what lies ahead?
Well I expect to keep plugging away with my training and racing ambitions. My racing goals however are a little fluid at this stage and so I’ll likely do some Masters championships along with local racing for the next block. I will continue to pursue improvement in my form and power and to race regularly. Let’s see how much further I can drive my development as a rider.

Business wise there is much to look forward to this year – the Turbo Studio will keep forging ahead, I expect squad training to become part of life, power training seminars to be delivered and of course we are introducing the Winter Indoor Race Series on the Turbo Studio’s Computrainers, which should be a lot of fun. Given there’s about $5000 in prizes (mostly cash) up for grabs, I’m sure it’ll be popular.

My clients have tremendous goals to achieve and I’ll be working hard to help nail them and take them all to a new level of performance. Championships, sportives, category upgrades, commencing racing, all sorts of new goals and challenges.

RST goes from strength to strength and is growing as well, so more to come on that front, including some more new training products on the (hopefully near) horizon.

I expect to complete my Level 2 coaching accreditation as well.

At the moment I am also slated for a return to California in October for the Granfondo, so that should be another epic adventure.

OK, that was a long post, but hopefully not too dull a read. Perhaps you can see why my blogging frequency has dropped a little lately. Of course there's lots of more personal stuff that I don’t write about on this blog (that’s my business!) and there has been plenty to work with on those fronts as well. All up, it’s been another cracker of a year and I hope to make this next one even better!

Safe riding out there.

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Saturday, January 02, 2010

Power Profiling - Now and Then

Often I am asked how my cycling power ouput compares now, to before my accident and amputation.

As I progressed with my training during 2009, and as my fitness continued to improve under Ric Stern's guidance, the answer to that question kept changing, mainly as I started to close in on pre-amputation power levels.

Now that I have a full year's worth of data from 2009, I decided to take a look at my annual power profile and see how it compares to pre-amp levels.

Below is aggregate power profile data covering the past 5 years. It shows my best power to mass ratio (W/kg) for each of 4 separate durations for the years 2005 through to 2009:


The power durations shown are:
5 seconds
1 minute
5 minutes, and
95% of my 20-minute power.

Each of these power-durations represents key elements of cycling fitness, with different energy systems being the primary contributor to performance at each duration. That's why it's such a telling indicator of your overall cycling makeup, and an excellent indicator of your relative strengths and weaknesses.

This is provided of course the profile does in fact contain data from best efforts for the duration. Given it's aggregate data for whole years, then I think it's a reasonable assumption. Nevertheless, sometimes the 1-minute column can still be under stated as that usually requires dedicated efforts not often performed in training or racing.

You can read more about power profiling in this original item by Dr Andrew Coggan here:
Power Profiling


So the group of columns on the left shows my best 5-second power to mass ratio for each year from 2005 to 2009. Each group of columns moving to the right covers the other durations, with 95% of 20-minute power shown by the columns on the far right.

What matters with power profiling is the overall shape of the profile, rather than the absolute numbers. The shape in this case indicated by the lines joining the columns, which I have shown for 2006 (orange line) and for 2009 (blue line). I chose those two years as they are the two complete years representing pre-amputation and post-amputation training/racing data.

I notice a few things:
- the overall shape of each line is similar
- my short duration power has taken a large nosedive
- my longer duration power to mass ratio is actually higher than previously attained

This clearly demonstrates that it's my sprint power that has suffered the most from my lower leg amputation, yet the predominantly aerobic power durations (5-min and 20+ min) have not.

This suggests a few things to me.

One is it's an example of how we are not force (strength) limited when cycling at aerobic power levels, since even though I have lost significant leg musculature and with it strength, I have still been able to generate the longer duration power.

Another is that the lack of a lower leg muscular-skeletal system has a significant impact on sprint ability. The lower leg matters a lot more in the generation of short duration sprint power, than for longer duration aerobic power.

What can I make of this information? Well for one I no longer have the sprint I used to, yet I am as likely to be as well set up for the end of a race as I was before, since I have the engine to deliver me there. But now I lack the finishing ability. My strategy and tactics in racing may need to be modified a little as a result.

I can still work on improving my sprint of course (all track/roadie riders should) but I would say that reclaiming pre-amp sprint power levels is not going to be anywhere near as "easy" as it was for aerobic power durations, if in fact it is actually possible.

It also points to me reconsidering what events I may in fact focus on. They may change as well.

Plenty to ponder with a power profile.

What's yours look like?

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Tuesday, November 17, 2009

Do the work, and it will come...

Today I had a training session in Centennial Park.

It was what I call TTIs (threshold tolerance intervals), which were done as two 20-min efforts, with about a 5-min easy riding in between each effort. They are very hard going, ridden at time trial pace. I've written about these plenty before and I've been doing a block of them lately.

As many of you know, I use a power meter on my bike to help monitor my effort as well as record my performance. I've been doing this for many years.

My average power for each TTI today was 314 watts & 313 watts respectively.

That exceeds my all time previous best 2x20-min TTIs (313W & 310W) in January-2007.

That's two years six months after my amputation and one year five months after I attempted to ride for the first time on an indoor trainer (10-min at 100W).

Do the work, and you will improve. Even if you are missing a bit of leg.

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Friday, August 07, 2009

No news is good news

Yep, been a little busy of late so not so many posts.

A quick one for the record....

After the National and Oceania championships, I had a bit of time off the bike, which I wanted. A week was the idea, followed by some leisurely riding for a while. Best laid plans....

Then that became a lot of time off because I had trouble adapting to a new prosthetic. Took a while to sort it but it got sorted.

So a few weeks later I started training again and not long after caught some rotten lurgy, which coincidentally also made my leg swell up and I couldn't wear my prosthetic. So another 2 weeks of very little on the training front.

Never mind, get healthy first, train second. Well I've now had a really good few weeks back on the steed and the Performance Manager Chart shows clearly the impact to training loads of two longish periods of time off the bike. The blue CTL line looks like one of those Tour de France mountain stage course profiles.


This week, even after such a short time training again, I did 2x20-minute threshold tolerance efforts at 275+ watts in the park, which is already at a level I was prior to the championships.

My progression on these 2x20-min TTIs since starting back on the bike last year went something like:

Sep 08: 220W
Oct 08: 230W to 240W
Nov 08: 245W
Dec 08: 250W to 260W to 265W
Jan 09: 265W
Feb 09: 265W to 270W
Apr 09: 275W to 280W


And now, after these interruptions to training, I go and bang out 275+W with a little still in the tank.

So now the goal is 290W in ~ 5-6 weeks. Let's see, eh?

Oh, and keeping training in a consistent manner which will see that blue line rising for some time yet.

Next week I start track racing again - the RAW Track series, at which I have been Commissaire for so far this year (and all last season). So it will be fun to ditch the comm's jacket and pull on the skinsuit. Should be a hoot. RST is also a sponsor of RAW Track and RAW Track have supported me greatly in helping to raise money for my bike leg.

As for the bike leg, it is partly completed. I am using it and have been getting all the angles etc tweaked but waiting for one special component (a cleat adapter plate) to be finished by a machine shop friend (I'm currently using an adapter good buddy Peter Barnard made for me last year), so I can hook up the new pylon/clamp I have waiting, finalise the position (lengths and various angles) and then get the aerofoil section completed.

When done we'll make a small run of the adapter plates for future use. Its design will make cleat removal/replacement a lot easier and will be a bit more stream lined and light weight than the one I have at the moment.

It will be one funky looking aero leg when done....

Have also been very busy with coaching things, lots happening on that front but more on that later. One cool thing coming up will be a trip to Northern California at end September, where I'll get to hang, ride, deliver a seminar on training with power and participate in Levi Leipheimer's Granfondo on 3 October. Can't wait!

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Saturday, April 11, 2009

bon anniversaire II

April 11. Two years to the day since my accident.

How time flies when you’re having fun.

Year 1 was about hospital, doctors, nurses, surgeries (seven of them I think plus multiple minor procedures), drugs (and associated hallucinations), pain, basic recovery, the physical and mental highs and lows, never really knowing how long it would take to get better and just coping with crap. It was also a year of unbelievable support from family, friends and work colleagues.

Year 2 was about getting some normality back to my life (you know, silly things like being able to walk, being able to walk without pain, getting back to doing some work). Naturally, a large part of normality for me was starting to ride the bike again, which I’ve been doing bit by bit since mid-June 2008 when I first turned a crank over on the indoor trainer. And regaining some semblance of fitness as well as losing some weight. Again the support of so many good people shone through and that is good to think of when you have a less than good day.

So what does Year 3 have in store?

Well I have a few ideas, but mostly it’s about evolution and continuing to rebuild this body.

Today I celebrated by doing a quality endurance ride out to Kurnell with a buddy and one of my coaching clients, Jayson Austin. I’ll be writing about Jayson more later – he is attempting to set a new world record for the Masters age group hour record. That happens a couple of weeks from now. Our ride was good. 80km, and for me a workout intensity (IF) of 0.84 (for the main section of ride) and 175 TSS. 12 months ago I could barely walk.

Coming up are a few exciting things:

At the end of April I travel to Murwillumbah in northern NSW to race the National Paracycling Championships. There is a Time Trial and a Road Race. It will be my first attempt at a paracycling event, so there is much to learn in terms of how it all operates. I suppose it’s just another bike race. Done plenty of those!

Then two weeks after that I hop on a plane and travel to Darwin at the top end of Australia for the Oceania Paracycling Championships, which are being held in conjunction with the Arafura Games. Again that involves a Time Trial and a Road Race. It will be interesting to see Darwin again. I lived there for two years in the mid-1990s.

At some stage over the next four weeks I expect to receive a new leg. Well two new legs actually. My current one no longer fits as well as it should and so it’s time for a new one. So it will be bye bye to Schooner II and in with the new. I was thinking, in Cervelo bike naming convention, perhaps I should call this new leg the PC III.

I went in to see George at the ALC to be fitted just over a week ago. So I will get a new general purpose leg. But the best bit is I will also be getting a dedicated cycling leg. That will be uber cool! No more screwing on/off a leg attachment. Yay! The funds raised at my benefit night last November are really helping to make this all possible.

I am also in the process of putting together a time trial bike and am at the bits gathering stage.

Beyond that, I have a few things marked in the calendar but I have my eyes set on getting to the 2010 National Paracycling Track Championships and being in excellent shape and form. Who knows, maybe I’ll even have a crack at the paracycling hour record.

In terms of general progress, well the last update was summarised in this post.

That chronology went up to 25 September 2008, when I performed a Maximal Aerobic Power test at which I attained a MAP of 355 watts. So summarising since then:

28 November 2008: My benefit night and photos.

16 December 2008: 16km TT test – 287 watts
19 December 2008: MAP Test – 385 watts
Both written up as part of my Swiss Watch post.

26 January 2009: Australian Day Race

14 February 2009: Coaching the Bicisport Team Pursuit squad

1 March 2009: First Road TT at Calga

13-15 March 2009: State Masters Track Championships

5 April 2009: Calga TT Part II

Here’s my Performance Manager Chart since I began turning a crank 10 months ago. Click this link for an explanation of what it means (basically the dark blue line going up means I am training more and gaining fitness, and when it goes down I'm training less - not necessarily losing fitness, as that depends for how long the line keeps dropping). Click on the picture to see a larger version.



It shows how my training has steadily ramped up but I have had a few unscheduled interruptions. Early on I had some trouble with my leg not coping so well and needing a week and a half break. After that coach & I were able to continue to ramp up my training for six months, with just one interruption when some unexpected family business required my attention.

Then another problem with my leg happened just as I was approaching a Chronic Training Load (CTL) of 70 TSS/day. It’s frustrating but having had a similar experience already, I knew that it just needed some time to recover. This time it didn’t take as long and I was back on the bike leading into the track championships, which went quite well. However I picked up a cold/flu bug while competing and that knocked me off the horse for a week afterwards. I have since been working my way back from that.

Every day I get on the bike, it’s something new. You learn to adapt. I doubt that need will change from here on.

Bring on Year 3.

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Monday, December 01, 2008

Benefit Night Photos

OK, time for some pictures from my benefit night.

These are courtesy of Chris Belyea at his photography site:
http://chrisbelyea.smugmug.com/


David & Goliath lining up for a one-lap screamer. On the left is club mate and triple World Masters Champion Andrew Burne:


Another couple of club mates. Liz Georgouras (recently back from the Oceania Championships) on the line waiting for the start of the wheelrace with Peter Barnard, showing us what it's like to listen to Paul Craft's commentary:


The women's races were hotly contested:


Chinese champion rider JinJie Gong, currently world #1 ranked in the Women's 500m TT and Kierin was there racing and supporting the event. With her is JinJie's coach, former World Sprint Champion and buddy, Sean Eadie:


Here I am on the start line getting my instructions from Chief Commissaire, Peter Tomlinson:


And a couple of me with my "crap this is hard" race face!



Boy - have I got some kilos to shed still!

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Saturday, November 29, 2008

Thank you

OK, it's the morning after my benefit - which was a really fun night of racing and a humbling experience as a I watched people open their wallets to bid for the items generously donated for auction.

Something between $5000-$6000 was raised (after venue hire expenses were paid), which was really amazing. I won't know the exact amount until all the various remnants of bid money and entry fees appear.

There was also the small matter of my 500m time trial to see how much I could improve on the time I set back in August.

My time:
28-Nov-08: 41.9 seconds
08-Aug-08: 46.5 seconds

an improvement of 4.6 seconds in 3.5 months. :D

Power peaked at 1122 watts, with a 10-sec power of 1063 watts.

Cadence reached 122 rpm, which on the 50x15 (90") gear equates to a top speed ~ 51kph. (I didn't have a wheel speed sensor operating).

Earlier in warm up I did a test 1/2 lap fly and managed a top speed ~ 58kph (141 rpm in 49x15 (88") gear).

As PeterB said, OK, now to break 40. Thanks Pete LOL

When I get some pictures, I'll be sure to post a few up.


The money will all go to helping me fund prosthetic equipment dedicated for cycling. Once I have final details of monies I'll post on the blog and keep a running tally of where it goes. I'm not sure how long before I actually get a dedicated leg made up. Once my prosthetics specialist is happy that my hip has sufficient strength to re-align the leg (currently my "foot" is laterally offset by ~ 25mm), then that'll be the time to do it. All I can really say is it'll be sometime in 2009 I expect. In the meantime, I have other less sexy but essential items like leg liners and socks to purchase so I can continue to enjoy training and competition.


Once again a huge thanks to everyone involved in putting it all together:

- the volunteers on the night (Fred & Helen Vella, Chris Greaves our video man, Mike O'Reilly, Peter McCrystal, Samantha Kosky and others judging and organising - how does one get all the names!!, Ray on first aid, the triple-bunger photography team of Ernie Smith, David Lane and Chris Belyea, Sean Eadie on the derny, UCI Commissaire Peter Tomlinson, and Rik Fulcher who teamed with Paul Craft for the best commentary and auctioneers team one could hope for)

- the staff and management of Dunc Gray Velodrome and Bankstown Sports Club/Handlebar Tavern for the venues and catering

- Cycling Australia and Cycling NSW for their support

- the very generous sponsors who donated some tremendous prizes ranging from wine, to books, software, two sets of wheels, a day's hire of DGV with coaching by Gary Sutton, signed jerseys especially for the occasion from Stuart O'Grady, Anna Meares and Sean Eadie amongst lots of other items

- all the riders who I'm sure had a blast

- everyone who came along to enjoy the night and who spent their hard earned after tax dollars

- others behind the scenes supporting me along the way, including all my friends, work colleagues, blog readers and forum buddies around the world, the specialists helping me with the prosthetic equipment, current and former club mates, my coaching clients, fellow amputee cyclists who have encouraged me along the way, Steve Hogg for his support in helping me to be able to pedal, and especially my family and coach Ric Stern.

- and a special thanks to Paul Craft for making it happen. You're a legend dude!

Thank you to everyone, sorry if I missed a name. :oops:

If motivation to keep on motoring ever wanes, I'll be sure to remember this night.

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Thursday, November 13, 2008

CTL = Fitness

Oops.

It's been a little while since last post. Forgive me, busy days lately.

So a quick update. My training continues and my leg is holding up OK. A little while back I talked about the "Thin Blue Line". Here is the lastest version:


As you can see, the blue line continue to move onwards and upwards at a steady rate. To keep that line rising, you have to train a bit more and/or a bit harder than you did the previous week. It's relentless like that. Back off the effort and the blue line starts heading south again.

Training now comprises a variety of workouts including basic core endurance work, some focussed tempo and time trial pace efforts, and some lactate tolerance work thrown into the mix to give me a bit of a boost for when I attempt that 500m TT in a couple of weeks from now. I am riding 5-days a week now and doing the occasional race.

Last weekend I raced a local criterium at Heffron Park. I rolled over the line for 3rd, although my attempt to sprint for a win never eventuated as a couple of guys next to me crashed and so I pulled out of the effort to ensure they were the only ones to hit the deck. What my training has lacked has been some time at the track to do some sprint and start practice. Getting time for the track has been a bit tricky lately. I'll need a couple of sessions before doing my TT.

So, back to the blue line (Chronic Training Load). As shown in the chart above, my CTL has now reached the 50 TSS/day mark. And today marks exactly 5-months since I first put my bike on a trainer and tentatively pedalled for 15-minutes. So it's not a stellar ramp rate in training load (roughly 2 to 2.5 points/week) by any measure but being a CTL "hare" is not smart training anyway. It is a prudent and manageable increase in the training workload.

One of the "old" power training sayings is:

CTL = Fitness

Well it's a pretty broad statement but I thought I'd give an example of what it means.

Under the chart above (the one with the blue line) is another chart covering the same time period. This one shows my best 60-min power in each 4-week block. The orange and blue columns show my best 60-min power expressed as Normalised Power and Average Power respectively. As you can see, as the CTL blue line rises, so has my 1-hour power.

Simple really. Train more, get fitter. It will keep doing that for some time. Until it doesn't of course! But that's another story.

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Monday, October 27, 2008

My cycling leg

This post is especially for Jason and anyone else that's interesting the the specific set up I have for cycling.

Jason commented on my previous post about his desire to tackle the Alpine challenge. Jason is a below the knee amputee as well.

The Alpine - that's awesome!! No way I could imagine doing that at this stage. I wrote about coaching a rider who did the Alpine a couple of years ago in these two posts.

You go Jason!

So, in summary, have a look at these posts which show my cycling leg set up in a little more detail:

My new leg and socket design

How my cycling leg attachment works

The cycling cleat attachment and adapter plate

The urethane adapter to provide lateral roll for out of saddle efforts

My prosthetics guy made my everyday walking leg socket with quite a shallow rear cut away with cycling in mind. The rear of the socket is such that I am able to pedal with a full length crank.

But remember I have the cleat directly at end of the pylon and so the knee doesn't need to bend quite as much as if the cleat was positioned further forward simulating an "under the ball of foot" position.

The socket also has some funky design at the front.

The other adaptation I haven't shown in pics is some soft foam-like material I place at the front of the stump below the knee, in-between the sock and liner, so that it fills the gap between the stump and top front of the socket when you are pedalling. Bend your knee when sitting and you can put your hand/fingers into the largish gap that forms betwen the stump and socket.

The gap isn't there when standing up of course but with the knee constantly bent on the bike, I found filling that gap really helped with power production and provides a much more secure feeling. I just got some off-cuts from a Clark Rubber store.

As my prosthetics guy says, the aim is to maximise the contact surface area between stump and socket. That will be something we look at when designing a dedicated bike leg socket.

Eventually I intend to have a dedicated socket / cycling leg made, however before that happens I need to further strengthen my hip so that the lateral offset of my "foot" can be brought a little more in line with the hip and knee.

For a permanent cycling leg, I envisage something like what Jody Cundy of Team GB paracycling squad had made. Anyone who can do a 65 second kilo sure has a leg that works!



See this item for more details:

Jody Cundy Interview

In there you'll see his new (the carbon leg) and old leg set ups. I don't expect to have my cleat positioned as far forward as Jody has his - he simply replicated what he was used to with his prior set up when wearing a cycling shoe over a prosthetic foot.

The one thing you have to consider with a direct cleat to pylon arrangement is that you can't walk on it. So logistics becomes a factor when planning on going for a ride.

Another thing I've noticed, since I have more than one bike, is that I am now much more sensitive to the different Q-factors of the cranks on my bikes - to the extent that I need to alter the angle of the prosthetic cleat attachment in order to ride a bike with different cranks. My two road bikes have 175 mm Campagnolo cranks however one is a Record crankset and the other a Chorus model and they have different Q-factors.

I never realised until now how much the ankles do the job for us, managing all the lateral roll when out of the saddle and coping with the small differences in positional set up.

What did Joni Mitchell say to us in that Big Yellow Taxi song?
Don't it always seem to go
That you dont know what you've got
Till its gone....


No parking lots here though!

If you want to drop me a line, just use:
alex A T cyclecoach D O T com

Anyway Jason, good luck with it!

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Tuesday, October 14, 2008

The Thin Blue Line

Time for a catch up on how my own training is going.

A couple of weeks ago I mentioned the results of my performance tests, namely a time trial level effort, a MAP test and some sprint efforts. Results were:

Time Trial power (20-minutes): 252 watts
Maximal Aerobic Power: 355 watts
Neuromuscular Power: 1074 watts (5-second max average with a peak of 1109 watts)

Estimated Functional Threshold Power: 240 watts.

So with those results locked away, training has been continuing. One thing to notice is the ratio of TT power to MAP. In my case, my TT power is a relatively low percentage of MAP (or if you like, my MAP is a relatively high percentage of TT power).

Hence my maximal aerobic abilities are really not a limiter (at this stage) to the ongoing development of my TT power. This helps to determine what my training focus should be for this next phase of training.

As with most cycling (except for track sprint/BMX), the focus is almost always on increasing your TT power, since it's the most import physiological marker of performance potential.

Of course rolling around the track is fun and so I will keep doing that. It also provides a safe environment for maximal sprint type efforts. Training should be hard work but it also needs to be enjoyable (mostly) otherwise we lose motivation.

So, my training will continue to be focussed on improving my sustainable TT power. Core endurance, tempo and threshold level efforts are now staples in the aerobic development diet. I'm also going to throw in a local criterium race or two as a challenge (and it's good training anyway).

My training workload is gradually increasing each week, and as I train my body is adapting to the new stress levels and responds by allowing me to continue to increase the workload. This ability to manage a continually increased workload is shown by the steady rise in the blue line in the chart below (the blue line depicts my Chronic Training Load (CTL) since I first hopped on the trainer just on four months ago).

The rate at which that blue line can rise is typically limited to a maximum of 5-8 TSS/week. Going above that rate for any length of time is usually met with an increased susceptibility for illness and possibly leads to a degrading of performance. In the opening block, I was increasing CTL at ~ 4 TSS/week and following a break from training I have been increasing at ~ 2 TSS/week. Due to the recovery from injury, it pays to be a little conservative in the rate at which CTL lifts.

Of course, for the blue line to provide such good indicator of changes in workload levels, it requires one to have an accurate understanding of their current fitness level. Hence the testing a couple of weeks ago. Not only does it set a benchmark for fitness, and provide solid data from which to determine what elements of my physiological profile need the most attention, but it also provides a sound basis on which to determine the appropriate workload and the rate at which it should be increased.

There is a period where the blue line heads south. I was having some trouble with my stump - it wasn't coping well with the stresses inside the socket and became quite sore. I thought it would need a couple of days rest but it turned out to need a lot more than that. Hence almost no training for a week and a half. It turned out that it was a technical problem that I managed to solve and so once the soreness faded, I was able to start training again and arrest that downward decline.

So far so good for the "thin blue line".

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