In order for you to walk, run, sit or kick comfortably, your knee—the largest joint in the body—must be able to move through an arc of about 130 degrees, from completely straight, or fully extended, to completely bent, or fully flexed. Two muscle groups control this motion: the quadriceps on the front of the thigh […]
The shoulder joint has the widest range of movement in the body, but mobility is achieved at the expense of stability. The labrum, a ring of thick, fibrous cartilage running around the edge of the shoulder socket, holds the bones in place, extends the joint to make it more stable and provides cushioning. When it […]
If your shoulder is prone to recurrent dislocations, a surgery known as a Bankart procedure is often used to stabilize the joint. However, that surgery often fails because the repair is not strong enough or the shoulder socket is damaged. In that case, a shoulder bone graft may be required. In a shoulder bone graft, […]
