Three bones meet at the knee joint: the thigh bone (femur), the shin bone (tibia) and the kneecap (patella). All of your weight above your knee is supported by it.

Figure 1: The sagittal plane model of the replaced knee in extension, 60° and 120° flexion. The cruciate ligaments are shown as arrays of fascicles connecting the femur to the tibia.

A computer model of the cellular environment inside the knee developed by UT Southwestern Medical Center researchers sheds light on why women tend to have worse outcomes after knee injuries than ...