Biceps bulge, calves curve, 50-year-old assumptions muscled aside
Tuesday, July 9, 2013 - 18:01
in Physics & Chemistry
The basics of how a muscle generates power remain the same: Filaments of myosin tugging on filaments of actin shorten, or contract, the muscle – but the power doesn't just come from what's happening straight up and down the length of the muscle, as has been assumed for 50 years.