The rotator cuff is a group of tendons and their related muscles that helps keep the upper arm bone securely placed, or seated, into the socket of the shoulder blade. Rotator cuff disorders are usually caused by a combination of factors, such as normal wear and tear. Age-related degeneration slowly damages the rotator cuff, causing one or more tendons to rub against the bones (impingement). Partial or complete tears to the rotator cuff tendon are more likely to occur when the rotator cuff is already scarred, weakened, or damaged. A complete rotator cuff tear in a person with an otherwise healthy shoulder is most often caused by an extremely forceful injury. PAINPAIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
It is the bone at the top of your shoulder. Where the arm meets the torso. To be a little more specific, the rotator cuff is not a bone, but actually four muscles (the Teres Minor, the Infraspinatus, the Supraspinatus and the Subscapularis if you want to know specifics) that get their name because they help rotate the arm and provide stability for the shoulder. ! Dr. B.
The function of the rotator cuff muscles are simply to rotate the arm medially(inwards), to assist the deltoid in abduction(lifting of the arm), and for adduction(lowering) of the arm. The rotator cuff are also known as the SITTS muscles. Supraspinatus, located closest to the front of your shoulder, Infraspinatus, right behind it, Teres Minor right behind and slightly lower, and finally Teres Major, the large muscles that connects just beneath you shoulder and to you humerus.
Well I'm not sure if mine is torn or not, but it is always uncomfortable, like there's always a little bit of pain, when someone pushes it- it hurts the worse, and when I write for extensive periods or shoot a basketball, pass a basketball. Pretty much just extending my arm either up or to the side all the way kills. Most of my pain in the upper back part of my shoulder and sometime goes into the rest of my arm (biceps). I also hear that numbness and tingling feeling are common, but I don't have that.
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