Hinge joints allow flexion and extension only. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints in the leg. The elbow and knee joints are both hinge joints.

Explores the anatomy and functions of human joints, categorizing them into three main types: fibrous, cartilaginous, and synovial. It details the characteristics and subtypes of each joint type ...