Muscle contraction occurs when the myosin cross bridges row along the length of the ______ filaments.
A) myosin
B) actin
C) intrafusal
D) extrafusal
E) myofibril

Question

Quizplus · Accepted Answer

Muscle contraction occurs when the myosin heads bind to the actin filaments and row along their length, causing the filaments to slide past each other and shorten the muscle fiber.

Muscle Contraction Occurs When the Myosin Cross Bridges Row Along