Patrick J. McMahon MD


Patellar Tracking Disorder: Exercises

The thigh muscles (quadriceps) help keep the kneecap (patella) stable and in place. Weak quadriceps increase the risk of patellar tracking disorder. Ligaments and tendons also help stabilize the patella. If these are too tight or too loose, you have a greater risk of patellar tracking disorder. The goals of nonsurgical…

Patellofemoral Pain Syndrome

Patellofemoral pain syndrome is pain in the front of the knee. It may be caused by overuse, injury, excess weight, an improperly aligned kneecap, or changes under the kneecap. Symptoms include: Pain, especially when sitting with bent knees, squatting, jumping, or using the stairs (especially going down stairs)…

Shoulder Separation

What is a shoulder separation? A shoulder separation is the partial or complete separation of two parts of the shoulder : the collarbone (clavicle) and the end of the shoulder blade (acromion). See a picture of shoulder separation injuries . The collarbone and the shoulder blade (scapula) are connected by the…

Meniscus Tears

Where a meniscus tear occurs is one of the most important things that affects healing. Tears at the outer edge (red zone) tend to heal well because there is a good blood supply. The inner area (white zone) lacks a good blood supply and therefore does not heal well. The type of tear often determines whether a tear can be…