Muscles of the Rotator Cuff Flashcards
1
Q
Supraspinatus
A
O : Medial 2/3 of the supraspinous fossa of the scapula
I : Superior facet of the greater tubercle of the humerus
A :
1. Abducts the arm at the Gh joint
2. Flexes the arm at the Gh joint
2
Q
Infraspinatus
A
O : Medial 2/3 of the infraspinous fossa
I : Medial facet of the greater tubercle of the humerus
A : Laterally rotates the arm at the Gh joint
3
Q
Teres Minor
A
O : Superior 2/3 of the lateral border of the scapula
I : Inferior facet of the greater tubercle of the humerus
A : Laterally rotates the arm at the Gh joint
4
Q
Subscapularis
A
O : Subscapular Fossa of the scapula
I : Lesser tubercle of the humerus
A : Medially rotates the arm at the Gh joint
