Rotator Cuff Flashcards
Supraspinatus: insertion
Superior facet on greater tubercle of humerus
Supraspinatus: orgin
Supraspinatus fossa of scapula
Supraspinatus: action
Helps deltoid abduct arm at shoulder and acts with rotator cuff muscles
Supraspinatus: innervation
Suprascapular nerve
Infraspinatus: orgin
Infraspinatus fossa of scapula
Infraspinatus: insertion
Middle facet on greater tubercle of humerus
Infraspinatus: action
Laterally rotates arm at shoulder and acts with rotator cuff muscles
Infraspinatus: innervation
Suprascapular nerve
Teres minor: orgin
Lateral border of scapula
Teres minor: insertion
Inferior facet at greater tubercle of humerus
Teres minor: action
Laterally rotates arm at shoulder, helps to hold head in glenoid cavity
Teres minor: innervation
Axillary nerve
Subscapularis: orgin
Subscapular fossa
Subscapularis: insertion
Lesser tubercle of the humerus
Subscapularis: action
Medially rotates arm at shoulder and adducts it, helps to hold humeral head in glenoid cavity
