Functions of Rotator Cuff Muscles

Rotator cuff muscle is an important muscle group inabduction of the arm.
the body. This muscle group is located near theThe role of the subscapularis muscle is prominent in
shoulder. It consists of four muscles that help inthe movement of the humerus and the elevation of
keeping the arm and the shoulder together at thethe arm which requires depressing of the humerus
shoulder joint.head. Lateral motion of the arm is facilitated by the
These muscles stretch from the scapula to theinfraspinatus and teres minor muscles.
humerus bone of the arm. The four rotator cuffA rotator cuff tear is the tear of the rotator cuff
muscles have different functions with regard to thetendon. Arthroscopic rotator cuff surgery is resorted
arm and shoulder movement. These muscles are:to repair the torn rotator tendon as last option
supraspinatus, infraspinatus, teres minor, andtreatment method. The surgery requires small incisions
subscapularis. They help in holding the humerus bonein the rotator cuff muscles to reach the rotator
and prevent it from popping out of the shoulder joint.tendons.
The supraspinatus is the most important muscle of theThese muscles can be strengthened to prevent future
rotator cuff. Supraspinatus muscle starts from therotator cuff tear. Rotator cuff strengthening can be a
scapula and stretches up to the humerus and thepart of rehabilitation of rotator cuff surgery patients.
acromion is very close to this muscle. Most of theThey are strengthened gradually under the expert
rotator cuff tear and impingement happen with thisguidance of certified and trained physiotherapists.
muscle. The main function of this muscle is the