Medically reviewed by Mallory Christopherson, DC Key Takeaways The shoulder joint is made up of four joints that work together for movement and stability.The rotator cuff, which includes four muscles, ...

The shoulder, or pectoral girdle, is a structure that plays an essential role in many functions and movements. The three shoulder bones include the scapula, the clavicle, and the humerus. A shoulder ...

Pain in the right shoulder blade can result from various factors, including an injury, arthritis, and gallstone disease. Treatment depends on the cause but may include stretching exercises or ...