ROTATOR CUFF MUSCLES (SITS) Flashcards
(16 cards)
Supraspinatus Innervation
Suprascapular Nerve C5,C6
Supraspinatus Origin
Superior Scapula
Supraspinatus Insertion
Superior Facet of Greater Tuberosity of Humerus
Supraspinatus Action
Abduction (first 30 degrees) , then over 90 degrees
Infraspinatus Innervation
Suprascapular Nerve C5,C6
Infraspinatus Origin
Inferior Scapula
Infraspinatus Insertion
Middle facet of greater tuberosity
Infraspinatus Action
External rotation ( primary)
Teres Minor Innvervation
Axillary n. C5,C6
Teres Minor Origin
Lateral border of Scapula
Teres Minor Insertion
Inferior facet of Greater tuberosity
Teres Minor Action
Primary= adduction Secondary= External Rotation
Subscapularis Innervation
Upper and Lower Subscapular nerve c5,c6
Subscapularis Origin
Anterior Scapula
Subscapularis Insertion
Lesser Tuberosity
Subscapularis Action
Internal Rotation