it’s important to understand some of the basic anatomy surrounding the shoulder joint, first. These muscles are divided into two groups: extrinsic and intrinsic shoulder muscles. The extrinsic ...

Muscles which move the knee are quadriceps and hamstrings. Ball and socket joint. Articulating bones are humerus and scapula (the clavicle is not part of the shoulder joint). Allows a great range ...

preventing muscle imbalances, and ensuring good mobility in the shoulder joint. 1) Posture Improvement One of the main benefits of strengthening the shoulders is the improvement in body posture.