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What is Which among the following is the contractile unit of muscle? and explain in detail?
The basic contractile unit of skeletal muscle is the sarcomere. Sarcomeres are connected to each other by their Z lines. Each sarcomere contains an array of filaments that consist of actin and myosin molecules, which interact to produce contractile force. Ref: Medical Physiology: Principles for Clinical Medicine By Rodney A. Rhoades, Ph.D., David R. Bell, Ph.D., 2012, Page 141; Guyton's physiology 22nd edition, Page 73.