The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...

Total shoulder arthroplasty after coracoid transfer showed results similar to total shoulder arthroplasty for primary osteoarthritis, according to results from a recently published study. “Several ...

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

What Is the Rhomboid Muscle? The rhomboid muscles are a large group of muscles in your upper back. They’re made up of the rhomboid major and the rhomboid minor. These and other muscles form the ...

Upper back pain between the shoulder blades may result from poor posture or muscle strain. However, it can also stem from more serious problems with the spine, such as scoliosis or osteoarthritis.