|Read our E-Magazine| |Receive our E-Newsletters| |Become our
Fan| The rotator cuff is a group of muscles and tendons that
attach to the bones of the shoulder joint, allowing the shoulder
to move and keeping it stable. Swimmer's shoulder; Pitcher's
shoulder; Shoulder impingement syndrome; Tennis shoulder;
Tendinitis - rotator cuff; Rotator cuff tendinitis; Shoulder
overuse syndrome The shoulder joint is a ball and socket type
joint where the top part of the arm bone (humerus) forms a joint
with the shoulder blade (scapula). The rotator cuff holds the
head of the humerus into the scapula and controls movement of
the shoulder joint. The tendons of the rotator cuff pass
underneath a bony area on their way to attaching the top part of
the arm bone. When these tendons become inflamed, they can
become more frayed over this area during shoulder movements.
Sometimes, a bone spur may narrow the space even more. This
problem is called rotator cuff tendinitis, or impingement
syndrome, and may be due to: Poor posture ove