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 …

Also called the glenohumeral joint, it is a ball-and-socket joint capable of the widest range of movements in the body, controlled by the six shoulder muscles. These muscles keep the …

Sep 19, 2025 · Your shoulder joint (glenohumeral joint) is a ball-and-socket joint that connects your upper arm bone (humerus) and shoulder blade (scapula). This lets you move and rotate …

Jun 19, 2024 · Each shoulder is held in place by a group of four muscles and tendons, called a rotator cuff, which covers and protects the humerus and lets you raise and move your arm. …

What most people call the shoulder is really several joints that combine with tendons and muscles to allow a wide range of motion in the arm — from scratching your back to throwing the perfect …

Feb 5, 2026 · The shoulder is a complex ball-and-socket joint comprising the head of the humerus, the clavicle (collarbone), and the scapula. The shoulder’s main motions are flexion, …

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 …

In all, there are four major articulations associated with the Shoulder Complex involving the sternum, clavicle, ribs, scapula, and humerus, which work together to provide large ranges of …

Using both nonsurgical and surgical therapies as needed, UT Southwestern’s board-certified orthopaedic specialists evaluate and treat a wide variety of shoulder injuries and disorders to …

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 …