Rotator cuff consists of four specific muscles: the supraspinatus (most commonly injured rotator cuff muscle), infraspinatus, teres minor, and subscapularis muscles. These muscle are used to either laterally (outer) rotation or medially (inner) rotation of the shoulder. The rotator cuff muscles also help to stabilize the shoulder joint as well. Rotator cuff injuries are common injuries to the shoulder as these muscles are often used to do many tasks whether cleaning, playing sports, jobs that involve the hands/arms such as painters, carpenters, drywallers, plumbers and floor installers. Causes of rotator cuff injuries Overuse, impingement (rub against) and normal aging may lead to painful tearing of the rotator cuff tendons Rotator cuff tears can be classified as partial or full tears (most common are partial tears) Supraspinatus is the most frequently injured rotator cuff muscle These groups of muscles and tendons surround the shoulder joint helping to keep the bones in…