Muscle Fiber Contraction View the animation of actin and myosin interaction at http://www.sci.sdsu.edu/movies/actin_myosin_gif.html Explain the “sliding filament” model of muscle fiber contraction. What are the roles of ATP and calcium?
Discuss the relative amount of each muscle type in the thigh muscles of Olympic athletes participating in the following events: marathon, weight lifting, 100-meter dash.
Anatomy The percentage of each muscle fiber type in any given muscle of your body is genetically determined. Also, physical activity can cause slight changes in muscle fiber type. Discuss the relative amount of each muscle type in the thigh muscles of Olympic athletes participating in the following events: marathon, weight lifting, 100-meter dash.