powercranks (Page 2)

This user's post has been ignored.

I'd still be using mine but it finally died.

And yes, I have used Powercranks!

Well - this is the problem Frank has been having, isn't it?  We can add all of our anecdotal evidence to the mix and it means little.  I don't doubt that some athletes who have used PCs have shown improvements but 1) can the improvements be isolated solely to the PCs?  2) Are the same improvements replicable in others?  3) And, where are the objective studies if results are so significant?

As a famous scientist once said, "Smart people -like smart lawyers- can come up with very good explanations for mistaken points of view".  These might be the greatest thing since sliced bread, but before I buy, I would like to see data from several independent experimenters with properly performed experiments.

Look, I'm not trying to convince ANYONE to buy powercranks...I could care less if anyone buys them...all I know is that they worked for me...but like anything else, you have to use them properly for them to work.

To address your question about spin scan and it's validity I can only speak to what I have personally experienced as I have not conducted any research to prove it...I don't need to because I see that it works for me...ha ha ha. My experience is that when my spin scan numbers are higher my HR is lower for any given power output than when my spin scan numbers are lower; which by definition means increased efficiency. Additionally, I have all my athletes do one legged pedal drills on a weekly basis because increasing efficiency/technique in pedal stroke on the bike translates into higher power output at any given HR.

Does that mean that there are people that have low spin scan numbers that are faster than people with high spin scan numbers? Of course because there are always people faster than any individual athlete except for that ONE athlete that is the "fastest in the world" on the bike ha ha ha. But when comparing spin scan numbers, power output, and HR within an individual athlete I am not aware of any athlete that when throwing off low spin scan numbers (say mid 40s) their power output is the same at the same HR than when throwing off high spin scan numbers (say mid 70s). Get on a CT and try it today. Throw off mid 40s check your watts and HR then throw off mid 70s and check your watts and HR...you'll see what I mean.

Powercranks, one legged pedal drills, and high spin scan numbers all basically effectuate one result when used appropriately...they increase peddling efficiency which translates into higher power for any given HR.

Seriously, I really am not trying to convince anyone to buy powercranks or computrainers...I don't make any more money if those companies make more money....all I know is that if you increase peddling efficiency your spin scan numbers will go up and your power output will increase at any given HR. That is not doing anything about increasing fitness, increasing leg strength, increasing endurance, etc....the increase in power at any given HR is just from increasing peddling efficiency.



Edited by Steve- 2009-08-07 9:26 PM

Who brought this up? They should be flogged repeatedly...

Mike

I wish I had more info then "That guy" but look up past ironman winners and watch his youtube video he came from being a nobody to being a second place finisher in KONA all because of powercranks.  He said he increased bike power thus increasing run power substaintially.  Hes from California.. please someone name him .. its on the tip of my tongue.. I gotta go to sleep.  But they rock the only issue I see would be the cost.   ANd of course time invested in the training to make them work for you.