Muscles of the shoulder region

Question 1

pec major (clavicular and sternal head)

Answer 1

sternal head - shoulder extension

clavicular head - shoulder flexion

together - shoulder adduction, internal rotation of shoulder, horizontal flexion

Question 2

latissmus dorsi

Answer 2

shoulder adduction, internal rotation and extension

Question 3

upper, middle and lower trapezius

Answer 3

upper - scapula elevation and upward rotation

middle - scapula retraction

lower - scapula depression and upward rotation

Question 4

rhomboid major

Answer 4

scapula retraction and downward rotation

Question 5

rhomboid minor

Answer 5

scapula retraction and downward rotation

Question 6

levator scapulae

Answer 6

scapula elevation and downward rotation

Question 7

pectoralis minor

Answer 7

scapula depression, protraction, downward rotation and shoulder internal rotation

Question 8

serratus anterior

Answer 8

scapula protraction and upward rotation

Question 9

deltoid muscles

Answer 9

shoulder flexion, internal rotation, abduction, extension and external rotation

horizontal flexion (ant fibres)

Question 10

coracobrachialis

Answer 10

elbow flexion and shoulder adduction and horizontal flexion

Question 11

teres minor

Answer 11

shoulder external rotation, adduction and extension

Question 12

teres major

Answer 12

shoulder internal rotation

Question 13

subscapularis

Answer 13

shoulder internal rotation

Question 14

supraspinatus

Answer 14

shoulder abduction

Question 15

infraspinatus

Answer 15

shoulder external rotation