A muscle is attached to the femur and tibia.Its function or action is to bend the knee.When it contracts,it is acting as the:
A) antagonist.
B) prime mover.
C) fixator.
D) synergist.

Name: A muscle is attached to the femur and tibia.Its function or action is to bend the knee.When it contracts,it is acting as the: A) antagonist. B) prime mover. C) fixator. D) synergist.
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Question

Quizplus · Accepted Answer

The muscle that bends the knee when it contracts is the prime mover.

A Muscle Is Attached to the Femur and Tibia