Passive insufficiency of which knee joint muscle would limit knee flexion?

a. Rectus femoris
b. Biceps femoris
c. Popliteus
d. Vastus lateralis


ANS: A
The rectus femoris is a two-joint muscle on the anterior side of the knee joint that under the condition of passive insufficiency would limit knee flexion as well as hip extension.

Health Professions

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