Insertion
The supraspinatus tendon is inserted into the most superior facet of the greater tubercle of the humerus.
The distal attachments of the three rotator cuff muscles that insert into the greater tubercle of the humerus can be abbreviated as SIT when viewed from superior to inferior (supraspinatus, infraspinatus, and teres minor).
The acronym SITS regarding the rotator cuff muscles is completed by including the subscapularis muscle, which unlike the other rotator cuff muscles attaches to the lesser tubercle of the humerus.
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