What Is Shoulder Pain? Shoulder pain is any type of pain or discomfort you feel in your shoulder. Your shoulder is called a ball-and-socket joint.

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 …

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.

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 tendons. The …

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 stability.

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 …

The shoulder allows for a large range of motion due to the spheroid shape of the glenohumeral joint but this (i.e. a large ball in a small socket) renders it prone to dislocation and other injuries.

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 …

Whether you’re experiencing shoulder pain, instability, or a sports injury, St. Luke’s expert orthopedic team is here to help. From non-surgical treatments to advanced shoulder surgery, we create …