The Rotator Cuff

• The Rotator Cuff

  • Four short muscles that project laterally from the scapula to the humerus (Acronym: SITS)
  • Supraspinatus
  • Infraspinatus
  • Teres minor
  • Subscapularis
  • All active during upper limb movements to reduce shearing and sliding and hold the head of humerus in the glenoid fossa