Question

fill in the blank question

when the knee is extended to the fullest degree, the femur rotates medially on the

Explanation:

Identify the anatomical mechanism

Using the Knee Joint Anatomy knowledge point, we analyze the biomechanics of knee extension. When the knee reaches full extension, a locking mechanism occurs to stabilize the joint.

Determine the articulating bone

During weight-bearing extension, the femur rotates medially on the tibia to "lock" the knee in place. This rotation is guided by the shape of the femoral condyles and the cruciate ligaments.

Answer:

When the knee is extended to the fullest degree, the femur rotates medially on the <blank>tibia</blank>