They include bones, ligaments, tendons, and cartilage. The knee, one of the body's largest and most complex joints, joins the thigh bone (femur) to the shin bone (tibia). The kneecap (patella ...

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 published this week (April 17) ...