Muscles of the Rotator Cuff

Question 1

Name the Origin, Insertion, Action, and Nerve for:

Supraspinatus

Answer 1

O: Supraspinous Fossa

I: Greater Tuberosity Humerus

A: ABD & ER - GH

N: Suprascapular N

Question 2

Name the Origin, Insertion, Action, and Nerve for:

Infraspinatus

Answer 2

O: Infraspinous Fossa

I: Greater Tuberosity Humerus

A: ER & Horiz ABD GH

N: Suprascapular N

Question 3

Name the Origin, Insertion, Action, and Nerve for:

Teres Minor

Answer 3

O: Lateral Border Scapula

I: Greater Tuberosity Humerus

A: ER & Horiz ABD - GH

N: Axillary N

Question 4

Name the Origin, Insertion, Action, and Nerve for:

Subscapularis

Answer 4

O: Scapular Fossa of Scapula

I: Lesser Tuberosity Humerus

A: IR & Horiz ADD - GH

N: Upper and Lower Subscapular N