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 · Medical conditions — including arthritis, gout and infections — also can cause knee pain. Many types of minor knee pain respond well to self-care measures. Physical therapy and knee …

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 · To do all of these things and support your body while doing so, the knee relies on several structures. They include bones, ligaments, tendons, and cartilage. The knee, one of the body's largest...

May 9, 2025 · People can injure their knees in various ways. Common types of knee injuries include sprains, strains, muscle tears, and bone fractures.

Sep 5, 2025 · It explains the different parts that make up the knee joint, how the knee works, and common knee problems. Three important bones come together at the knee joint: A fourth bone, the …

Jul 21, 2025 · Whether your knee clicks when you tackle a flight of stairs or your knees ache when you wake up every morning, dealing with knee pain can be challenging and can affect your quality of life. …

Common knee problems include sprained or strained ligaments, cartilage tears, tendonitis and arthritis. Diagnosing a knee injury or problem includes a medical examination and usually the use of a …

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 …

Patients rely on OrthoInfo to help them better understand orthopaedic health issues like arthritis, broken bones, and sports injuries, plus orthopaedic treatments like joint replacement and arthroscopy.