If a muscle crosses the knee joint with a horizontal component to its direction of fibers and attaches onto the tibia at the medial side of the leg,what action will it most likely have?
A)lateral rotation of the leg at the knee joint
B)medial rotation of the leg at the knee joint
C)flexion of the thigh at the hip joint
D)extension of the leg at the knee joint

Question

Quizplus · Accepted Answer

Given the muscle's attachment and direction, it would most likely facilitate medial rotation of the leg at the knee joint. Muscles that attach medially generally produce medial rotation or movements towards the midline.

If a Muscle Crosses the Knee Joint with a Horizontal