Rotator Cuff Muscles Flashcards
1
Q
Subscapularis
A
O-Subscapular fossa
I-Lesser tubercle of humerus
N-Upper and lower (also teres major) subscapular nerve
A-Medially rotates humerus
2
Q
Supraspinatus
A
O-Supraspinous fossa
I-Greater tubercle (superior part) of humerus
N-Suprascapular nerve
A-Initiates abduction of humerus (helps deltoid motion)
3
Q
Infraspinatus
A
O-Infraspinous fossa
I-Greater tubercle (middle part) of humerus
N-Suprascapular nerve
A-Holds humerus in place, laterally rotates humerus
4
Q
Teres Minor
A
O-Lateral border of scapula
I-Greater tubercle (inferior part) of humerus
N-Axillary nerve (only this and Deltoid)
A-Laterally rotates humerus
