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

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.

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 some …

Common Causes of Shoulder Discomfort and When to Seek Treatment. If you’ve ever rolled over in bed and felt a twinge in your shoulder, or noticed pain when reaching for something overhead, you’re not …

The shoulder joint (or glenohumeral joint from Greek glene, eyeball, + - oid, 'form of', + Latin humerus, shoulder) is structurally classified as a synovial ball-and-socket joint and functionally as a diarthrosis …

Dec 12, 2025 · Common causes of shoulder pain include poor posture, bursitis, arthritis, muscle strain, or a pinched nerve. Frozen shoulder is a common condition that leads to joint stiffness and pain. …

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.

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 shoulder, it is …

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 the deltoid …

The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar …