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 …

Jul 20, 2025 · 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 with …

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

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.

Sep 5, 2025 · The knee joint is a complex structure that involves bones, tendons, ligaments, and muscles for normal function. Three bones come together in the knee joint: the tibia, femur, and patella.

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 …

knee, hinge joint that is formed by the meeting of the thigh bone (femur) and the larger bone (tibia) of the lower leg. The knee is the largest joint in the body and has to sustain the greatest stresses, since it …

Apr 24, 2024 · Do you have knee pain? Learn about the common causes, based on the location of the pain, and when you should see a doctor about your pain.

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.