Scapular Muscles

Question 1

Subscapularis - O & I

Answer 1

O: Subscapluar fossa
I: Lesser tubercle of humerus

Question 2

Subscapularis - F & N

Answer 2

F: 1) Move shoulder joint through medial rotation
N: Upper and lower subscapular nerves

Question 3

Supraspinatus - O & I

Answer 3

O: Supraspinous fossa
I: Superior Facet of greater tubercle

Question 4

Supraspinatus - F & N

Answer 4

F: 1) Early Abd. (0-30) of arm @ shoulder J.
N: Suprascapular nerve

Question 5

Infraspinatus - O & I

Answer 5

O: Infraspinous fossa
I: Middle facet of greater tubercle of humerus

Question 6

Infraspinatus - F & N

Answer 6

F: 1) lateral rotation of arm @ shoulder J
2) horizontal abd. of arm @ shoulder J
N: Suprascapular nerve

Question 7

Teres Minor - O & I

Answer 7

O: Superior aspect of lateral border of scapula
I: inferior facet of greater tubercle of humerus

Question 8

Teres Minor - F & N

Answer 8

F: 1) Lateral rotation of arm @ shoulder J
2) Ext. of arm @ shoulder J
3) Horizontal abd. of arm @ shoulder J
N: Axillary nerve

Question 9

Teres Major - O & I

Answer 9

O: Inferior aspect of lateral border of scapula
I: medial lip of intertubercular sulcus/bicipital groove

Question 10

Teres Major - F & N

Answer 10

F: 1) Medial rotation of arm @ shoulder J
2) Ext. of arm @ shoulder J
3) Add. of arm @ shoulder J
N: Lower subscapular nerve

Question 11

Rotator cuff Muscles

Answer 11

Subscapularis, Infraspinatus, Teres minor and Supraspinatus

Question 12

Rotator cuff muscles function

Answer 12

strengthen and stabilize the shoulder joint surrounding it except inferiorly