Fig. 6

The attachment form of the posterior capsule of a knee joint to the femoral cortex. A Cross-section of the medial condyle of a femur. The white square shows the attachment site of the gastrocnemius tendon and the posterior capsule to the femoral cortex. The gastrocnemius tendon and posterior capsule were attached integrally to the femoral cortex at the medial condyle; B An enlarged view of the attachment site. 1: medial head of the gastrocnemius tendon; 2: posterior capsule of a knee joint; 3: femoral condyle; 4: tibia