Patrick J. McMahon MD


Lateral Collateral Ligament (LCL) Injury

What is a lateral collateral ligament (LCL) injury? An LCL injury is a sprain or tear to the lateral collateral ligament (LCL). The LCL is a band of tissue on the outside of your knee. It connects your thighbone to the bone of your lower leg and helps keep the knee from bending outward. You can hurt your LCL during…

Meniscectomy for a Meniscus Tear

Meniscectomy is the surgical removal of all or part of a torn meniscus. A meniscus tear is a common knee joint injury. Surgeons who perform meniscectomies ( orthopedic surgeons ) will make surgical decisions based on the meniscus’s ability to heal as well as your age, health, and activity level. Your doctor will likely…

Posterior Cruciate Ligament (PCL) Injury

What is a posterior cruciate ligament (PCL) injury? A PCL injury is a sprain or tear of the posterior cruciate ligament (PCL). The PCL is a band of tissue that crosses inside the center of the knee joint. It connects your thighbone to the bone of your lower leg. The PCL keeps your knee stable when it moves forward or…

Type III Shoulder Separation

A shoulder separation is the partial or complete separation of two parts of the shoulder: the collarbone (clavicle) and the end (acromion) of the shoulder blade (scapula). A type III shoulder separation occurs when both the acromioclavicular (AC) and coracoclavicular (CC) ligaments are completely torn.