U of T Cycling Power Study Through the Department of Exercise Sciences

Just thought I would re-post on the main site on behalf of Paul as I didn't want this to get lost in the clinic/workshop forum section.  Thanks for reading, Dan.

As per Paul M's Post:

Hey everyone!

Through our lovely new and hardly addictive social exercise media, Strava, I noticed that many of the people I'm following from the Dark Horse Flyers and Morning Glory CC were posting ~1 hour or less workouts this past month called "U of T Power Test". These "rides" consisted of strictly heart rate curves and no other data was available since they were recorded in the forgotten underground of the Athletics Centre laboratories. In the comments for some of these rides, it became evident that this was a pretty cool study that was being conducted by the PhD candidate Ming-Chang Tsai who is with the Department of Exercise Sciences at U of T.

Each study consists of 5 extremely tough test sessions that are outlined in each of the PDFs attached to this posting.

letterawc.pdf

letterconstP.pdf

I'll let you read each one and decide if you'd like to take part in either or both studies. I think this is a great opportunity for anyone in the club to learn about their riding potential and limits. I'm not sure how many additional subjects that Ming is looking for, but any additional people will help him make more robust conclusions from his findings. If you're interested, please contact Ming through the email provided in the PDFs. As compensation, he'll setup a separate bonus session to help you determine your VO2 max!

I'm signed on for both studies. My first round is this Saturday at 10am. I'm happy to describe my experience if we there is some interest in this posting.

Talk soon!

Paul

Here are a couple pics that Ming took of me doing my 4-minute all out effort, which is the first test he does to determine your critical power using the old model. Unfortunately, in science, we must validate all of our new methods by using the classical methods. :)

The first part of the all-out effort consisted of a maximum effort sprint. I was allowed to stand for the first 20-30s. I held over 1000W for that entire time standing!


After the standing sprint, I sat down and churned out as high a wattage as I could sustain for the full 4 minutes. The idea was to deplete my anaerobic capacity energy tank with the sprint and then to see what my maximum aerobic wattage output was after that. Basically, my power curve levels off asymptotically. Here is what I looked like after I sat down:

This was the hardest 4 minutes I've ever done on the bike and it hurt A LOT. I was coughing for almost he whole day afterward. It was truly reminiscent of my Brimley KOM attempt. Thankfully, the tests are supposed to get easier after this one. With that said, this felt like an athletic rite of passage. With a proper warmup, anyone can do this test regardless of fitness!

Views: 295

Comment by Paul McKeever on December 25, 2013 at 10:03am

Thanks Dan! Merry Christmas. Hope all BCCers and their loved ones are having a fantastic holidays!

Comment by Paul McKeever on January 11, 2014 at 2:24pm

Thanks for the interest, Dave. It is pretty cool to have access to empirical data on one's own performance.

Sadly, there are a lot of views here, but not many comments or anything... hope I didn't scare everyone away with my blurry face of pain! Well, at least people are clicking on the posting.

Ming will stop collecting data in early February, so for anyone who is still interested than you should schedule with Ming this weekend or miss your chance. If anyone is curious about what this entails in more detail, I'm happy to discuss it with them over private messages.

I must say, these are very interesting studies. I've got 2 more sessions to go on the constant power study next week, then I'll do the complementary VO2 max test so I can figure out what the rest of the off-season's training has in store. I've learned a lot about getting into the right headspace to push myself and be confident with my abilities. Ming has been a huge help in building up that confidence. As a result, I've gotten stronger physically and mentally. Pretty darn good deal if you ask me. :)

Comment by David Raponi-Monk on January 11, 2014 at 5:13pm

Thanks Paul for sharing the info about the study. I signed up for both and last Tuesday morning did my 4 minute Critical Power test. Paul is correct...it was tough, and I too was coughing the remainder of the day. I am slotted to start the remainder of the sessions on Tuesday, as I had to cancel my Thursday session, but hope to be able to complete them all and get that complementary V02 max test done as well.

I will try to post the sessions on Strava like Paul did, but they will only show heart rate, which is quite a revelation in itself. 

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