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Thursday, March 6, 2008

your shoulder and its attachment disorder

Your scapula, as a bone, is not like the vertabrae or elbow, it is somewhat connected to the humerus, albeit delicately. However, it is not attached to your ribs in the same way. The scapula is where it is mainly because of the muscles attached to it. These many muscles need to work together, both for effective use of the shoulder, but in conjunction to hold the arm where it's supposed to be. So many Range Of Motion problems are caused by these muscles that must work in near perfect harmony.

The Rotator Cuff is a group of muscles - Supraspinatus - Infraspinatis - Teres Minor - Subscapularis that work together to keep the humerus (upper arm bone) held in the facet of the scapula - a lot of work for four not so large muscles.

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