ANATOMY

Detailed explanation-1: -[3][4] The hinge joints of the body include the elbow, knee, interphalangeal (IP) joints of the hand and foot and the tibiotalar joint of the ankle.

Detailed explanation-2: -The knee is a hinge joint formed by the tibia (shinbone), femur (thighbone) and patella (kneecap). The ends of the bones in the joint are covered with cartilage a tough lubricating tissue that helps cushion the bones during movement.

Detailed explanation-3: -The knee joint is the most important and classical example of a hinge joint. It is the largest known joint of the body. Though it is a hinge joint it has a quite different structure from other hinge joints of the body which are the ankle joint, elbow joint, joints of the foot and hands.

Detailed explanation-4: -The knee is a synovial joint, which means it is lined by synovium. The synovium produces fluid lubricating and nourishing the inside of the joint. Articular cartilage is the smooth surfaces at the end of the femur and tibia.

Detailed explanation-5: -Hinge joints, such as in the fingers, knees, elbows, and toes, allow only bending and straightening movements. Pivot joints. Pivot joints, such as the neck joints, allow limited rotating movements. Ellipsoidal joints.