Updated: 10/19/2017

Subscapularis

Topic
Review Topic
0
0
Questions
3
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Evidence
2
0
0
https://upload.orthobullets.com/topic/10016/images/subscapularis.jpg
Origin Subscapular fossa of scapula
Insertion Lesser tuberosity of humerus
Action Medially rotates arm and adducts it; helps to hold humeral head in glenoid cavity of scapula 
Innervation Upper and lower subscapular nerves (C5, C6 and C7) (C5, C6, C7) 
Arterial Supply Subscapular artery

 
 

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Questions (3)
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(OBQ06.179) The lift-off test evaluates internal rotation of the shoulder with the hand placed behind the back. During this test, which muscle exhibits the highest percent of maximal contraction? Review Topic

QID: 365
1

Subscapularis

97%

(2470/2545)

2

Pectoralis major

1%

(13/2545)

3

Pectoralis minor

0%

(7/2545)

4

Latissimus dorsi

1%

(19/2545)

5

Supraspinatus

1%

(25/2545)

ML 1

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