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.

Knee Pain Knee pain is an extremely common symptom. Lots of issue can cause it. It may be a temporary injury or chronic condition like arthritis. You can usually treat knee pain at home …

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 …

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.

Sep 5, 2025 · The knee joint is the junction of the thigh and leg. Learn about the muscles, tendons, bones, and ligaments that comprise the knee joint anatomy.

Nov 7, 2024 · Knee pain is a common symptom in people of all ages. It may start suddenly, often after an injury or exercise. Knee pain also may begin as a mild discomfort, then slowly get worse.