The rotator cuff is a gaggle of four muscles which helps to stabilise and go the shoulder joint. Rotator cuff injuries can vary from shoulder impingement/ tendinitis to partial or finish tears. Characterised by irritation in the shoulder, particularly all through things to do involving lifting or decreasing the arm, https://www.theorthopaedicandpainpractice.com/is-my-shoulder-pain-caused-by-a-rotator-cuff-tear/