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.

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 …

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 …

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 …

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 …

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 …

The most common knee injuries include fractures, dislocations, sprains, and ligament tears. Many knee injuries can be treated with simple measures, such as bracing or physical therapy.

10 hours ago · Does it seem like the number of people you know who have sustained knee injuries has increased recently? That's likely because of a rising incidence rate in acute knee …