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, ...

1 Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea 2 Department of Orthopaedic Surgery, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada ...

Your shoulders are an important part of your body to work on strength training days, whether you’re looking for a beefier appearance or just a better ability to, say, shove your suitcase into the ...