But sometimes, there are 208. The fabella, a small bone in a tendon behind the knee, was lost over the course of early human evolution, but these days it’s becoming more common, according to a study ...

Articulating bones are femur and tibia (the patella is not classed as part of the joint, nor is the fibula). Allows bending (flexion) and straightening (extension). Muscles which move the knee are ...

The knee joint connects the upper and lower parts of your leg. It’s composed of several components like bones, cartilage, and ligaments that help it straighten, bend, and hold weight.

(tap tap) I'm down. Looks good. Move on to resurfacing the next of the three bones of the knee, the patella. The patella is the kneecap and the backside of the kneecap also has a layer of ...