Learn more about the full range of conditions and injuries that affect the knee on the American Academy of Orthopaedic Surgeons’ website, or schedule a consultation today with a knee …

The knee is a modified hinge joint, which permits flexion and extension as well as slight internal and external rotation. The knee is vulnerable to injury and to the development of osteoarthritis.

Jan 25, 2023 · Knee pain may be the result of an injury, such as a ruptured ligament or torn cartilage. Medical conditions — including arthritis, gout and infections — also can cause knee …

Dec 1, 2025 · Learn what your knee pain location says about potential causes, from injury to arthritis, with this informative chart for identifying issues.

Mar 2, 2023 · The knee is the biggest joint in your body. It’s also one of the most commonly injured joints. Knees contain bones, cartilage, muscles, ligaments and nerves.

Apr 18, 2025 · Knee pain can result from injury, arthritis, or overuse. Learn about its causes, symptoms, and treatment options.

May 9, 2025 · The knee is the largest and most complex joint in the body, holding together the thigh bone, shin bone, fibula (on the outer side of the shin), and kneecap.

Jun 23, 2025 · Muscles and tendons help the knee joint move. When any of these structures is hurt or diseased, you have knee problems. Knee problems can cause pain and difficulty …

Dec 27, 2024 · This informative guide provides an overview of the most common causes of knee pain and when to consult with an experienced orthopedic physician.

The knee is the joint where the bones of the lower and upper legs meet. The largest joint in the body, the knee moves like a hinge, allowing you to sit, squat, walk or jump.