The knee is a modified hinge joint, a type of synovial joint, which is composed of three functional compartments: the patellofemoral articulation, consisting of the patella, or "kneecap", and the patellar …

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.

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

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 pain.

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.

External rotation occurs during the terminal degrees of knee extension and results in the tightening of both cruciate ligaments, which locks the knee. The tibia is then in the position of maximal stability …

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 walking. Knee …

The most common causes of knee pain are related to aging, injury or repeated stress on the knee. Common knee problems include sprained or strained ligaments, cartilage tears, tendonitis and arthritis.

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.