Shoulder Muscles

Question 1

Pectoralis major

Answer 1

Flex, adduct, m. rotation of shoulder
Lateral and medial pectoral nerve

Question 2

Pectoralis minor

Answer 2

Depress and protract scapula
Medial pectoral nerve
Deep to pec major

Question 3

Subclavius

Answer 3

Depress scapula
Subclavius nerve (nerve to subclavius)

Question 4

Serratus anterior

Answer 4

Retract and rotate scapular
90-180 degrees of rotation
Long thoracic nerve

Question 5

Supraspinatus

Answer 5

Initiation of abduction, 0 to 15 degrees
Suprascapular nerve

Question 6

Infraspinatus

Answer 6

Lateral rotation
Suprascapular nerve

Question 7

Teres minor

Answer 7

Lateral rotation
Axillary nerve
Lateral/inferior border of scapular

Question 8

Subscapularis

Answer 8

Medial rotation, adduction
Upper and lower subscapular nerves

Question 9

Deltoid

Answer 9

15-90 degrees of abduction
Axillary nerve

Question 10

Teres major

Answer 10

Adduction, medial rotation
Lower subscapular nerve

Question 11

Rotator cuff muscles

Answer 11

SItS
Supraspinatus
Infraspinatus
Teres minor
Subscapularis