Letter M

Muscle, supraspinatus

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>The supraspinatus muscle; >The subscapularis muscle, which moves the arm by turning it inward (internal rotation); >The infraspinatus muscle, which assists the lifting of the arm during turning the arm outward (external rotation); >The teres minor muscle, which also helps in the outward turning (external rotation) of the arm.</LI></UL> Damage to the rotator cuff is one of the most common causes of shoulder pain.</P> The term 'supraspinatus' means 'above the spine'.

The supraspinatus muscle originates above the 'spine' of the scapula (the wingbone).

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