Professor Jim Martin

Thank you to 4iiii Innovations for supporting the podcast! If you’re after a reliable, accurate power meter, then use code 20214iiii-EI20% to receive 20% off any Factory Install power meter purchased through the 4iiii website [https://4iiii.com/]. * 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 [https://x3training.com/podcast/].