Exercise Physiology: Theory and Application to Fitness and Performance 9th Edition by Scott Powers, Edward Howley

Exercise 3

Outline the contractile process. Use a step-by-step format illustrating the entire process, beginning with the nerve impulse reaching the neuromuscular junction.

Step 1 of 2

The complex process of muscle contraction involves coordinated action of several cellular proteins and energy production systems. The process of muscle contraction is explained by sliding filament model of contraction. This is also called the swinging lever-arm model of muscle contraction.