The elbow joint is where your humerus (your upper arm bone) meets your radius and ulna (the two bones in your forearm). It joins your upper arm to your forearm. Your elbow also contains cartilage, ligaments, muscles, nerves and blood vessels. Your elbow moves in two main directions. You use it almost any time you move your arm.

2023年9月11日 · The elbow joint is a synovial joint found in the upper limb between the arm and the forearm.It is the point of articulation of three bones: the humerus of the arm and the radius and the ulna of the forearm.. The elbow joint is classified structurally as a synovial joint.It is also classified structurally as a compound joint, as there are two articulations in the joint.