Professor Jim Martin

Endurance Innovation

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3y ago 1:12:09

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2:45 meet University of Utah Associate Professor, Jim Martin
5:00 the muscle force-velocity relationship in cycling
9:15 the surprising importance of muscle deactivation
- Slow+heavy weight lifting can slow down deactivation
12:30 the ideal crank length question
- No change in maximal power in crank lengths between 145mm and 195mm crank arms
27:30 Jim’s recommendations for crank length for aero-minded TT and triathlon competitors
32:15 the aero / power trade-off
36:30 is there any reason not to go for the shortest available crank?
38:00 how does crank length affect self-selected cadence?
40:00 what about aero drag implications of cadence
43:00 the myth of optimal cadence
48:15 on pedaling mechanics training
- Self-selected pedaling technique is the most efficient
57:30 the effect on efficiency of non-round chainrings

For the papers that Jim referenced, head to the X3 Training Podcast Page.

161 つのエピソード

#Sports #Tech #Triathlon #Cycling #Running #Science #Engineering #Endurance #Fitness #Andrew Buckrell and Michael Liberzon #Andrew Buckrell #Michael Liberzon