If a muscle crosses the knee joint anteriorly with a vertical direction to its fibers,what eccentric function will it most likely have?
A)restrains/slows flexion of the thigh at the hip joint
B)restrains/slows extension of the thigh at the knee joint
C)restrains/slows flexion of the leg at the knee joint
D)restrains/slows extension of the leg at the knee joint

Question

Quizplus · Accepted Answer

Muscles that cross the knee joint anteriorly and have a vertical fiber direction primarily function to flex the leg at the knee joint. Therefore, when acting eccentrically, they would restrain or slow down the opposite action, which is extension of the leg at the knee joint.

If a Muscle Crosses the Knee Joint Anteriorly with a Vertical