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.

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.

Mar 5, 2025 · WebMD's slideshow can help you learn how knees are put together and what can go wrong with them as well as what you can do about it when something does.

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 …

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 …

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

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. The knee consists …

Structures of the human knee The knee is the largest joint in the human body. It supports the entire weight of the body above it and thus sustains great stresses. For comparison, the knee …

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 …

It is constructed by 4 bones and an extensive network of ligaments and muscles. [1] . It is a bi-condylar type of synovial joint, which mainly allows for flexion and extension (and a small …