Rotator Cuff + SH Muscles Flashcards
1
Q
Deltoid
A
O:
- lateral 1/3 of clav
- acromion
- spine of scap
I:
- deltoid tuberosity
N:
- axillary
A:
- flexion/extension
- IR/ER
- ABD
2
Q
Teres major
A
O:
- inferior angle
- lower 1/3 of lateral border
I:
- crest of the lesser tubercle
N:
- lower subscapular
A:
- extension
-IR
3
Q
Teres minor
A
O:
- upper 2/3 of lateral border
I:
- greater tubercle
N:
- axillary
A:
- ER
- ADD
- Stabilize humeral head in glenoid cavity
4
Q
Supraspinatus
A
O:
- supraspinous fossa
I:
- greater tubercle
N:
- suprascapular
A:
- ABD
- Stabilization of humeral head
5
Q
Infraspinatus
A
O:
- infraspinous fossa
I:
- greater tubercle
N:
- suprascapular
A:
- ER
- Stabilize humeral head
6
Q
Subscapularis
A
O:
- subscapular fossa
I:
- lesser tubercle
N:
- upper & lower subscapular
A:
- IR
- Stabilize humeral head
