The human shoulder is made up of three bones: the clavicle (collarbone), the scapula (shoulder blade), and the humerus (upper arm bone) as well as associated muscles, ligaments and …

Sep 19, 2025 · Your shoulder joint (glenohumeral joint) forms where your clavicle, humerus and scapula meet. This structure is why you can move your arms.

Because so many structures make up the shoulder, it is vulnerable to many different problems and injuries. This article explains some of the common causes of shoulder pain and describes …

Oct 23, 2025 · The shoulder joint is made up of four joints that work together for movement and stability. The rotator cuff, which includes four muscles, is essential for shoulder movement and …

Shoulder, in anatomy, the joint between the arm, or forelimb, and the trunk, together with the adjacent tissue, particularly the tissue over the shoulder blade, or scapula.

Jun 29, 2025 · Your shoulders can be affected by injuries such as sprains, strains and rotator cuff tear. Learn how to treat and prevent shoulder pain and injury.

Jun 19, 2024 · Shoulder joints can have their fair share of problems. Learn about common problems and injuries, and tips on how to treat a painful shoulder.

May 22, 2025 · The rotator cuff is a group of muscles and tendons that surround the shoulder joint. These muscles keep the ball of the upper arm bone firmly within the shallow socket of …

The shoulder is a ball-and-socket joint held together by muscles, ligaments, and tendons. Key muscle groups include the rotator cuff muscles, which stabilize and rotate the shoulder, and …

Although the shoulder is the most movable joint in the body, it is also an unstable joint because of its range-of-motion. Because the ball of the upper arm is larger than the socket of the …