Muscle contraction is caused by
A) movement of bones that anchor the muscles.
B) movement of sarcomeres along other sarcomeres.
C) sliding of myosin filaments along actin filaments.
D) contraction of actin and myosin filaments.

Question

Quizplus · Accepted Answer

Muscle contraction is caused by the sliding of myosin filaments along actin filaments. This is the result of an interaction between the myosin heads and the actin filaments, which results in the shortening of the sarcomeres and contraction of the muscle fiber.

Muscle Contraction Is Caused by