Muscles inserting on the humerus

Question 1

pectoralis major origin

Answer 1

medial 2/3 clavicle, sternum

Question 2

pectoralis major insertion

Answer 2

greater tubercle

Question 3

pectoralis major action

Answer 3

flexion, adduction, internal rotation

Question 4

pectoralis major nerve

Answer 4

medial and lateral pectoral nerves

Question 5

latissimus dorsi origin

Answer 5

spinous processes T6-T12

Question 6

latissimus dorsi insertion

Answer 6

floor of bicipital groove

Question 7

latissimus dorsi action

Answer 7

extension, adduction, internal rotation

Question 8

latissimus dorsi nerve

Answer 8

thoracodorsal

Question 9

deltoid origin

Answer 9

spine of scapula, acromion process, lateral 1/3 of clavicle

Question 10

deltoid insertion

Answer 10

deltoid tuberosity

Question 11

deltoid action

Answer 11

flexion, internal rotation (anterior); abduction (middle); extension and external rotation (posterior)

Question 12

deltoid nerve

Answer 12

axillary

Question 13

subscapularis origin

Answer 13

subscapular fossa

Question 14

subscapularis insertion

Answer 14

lesser tubercle

Question 15

subscapularis action

Answer 15

internal rotation

Question 16

subscapularis nerve

Answer 16

upper and lower subscapular

Question 17

supraspinatus origin

Answer 17

supraspinous fossa

Question 18

supraspinatus insertion

Answer 18

greater tubercle

Question 19

supraspinatus action

Answer 19

abduction

Question 20

supraspinatus nerve

Answer 20

suprascapular

Question 21

infraspinatus origin

Answer 21

infraspinous fossa

Question 22

infraspinatus insertion

Answer 22

greater tubercle

Question 23

infraspinatus action

Answer 23

external rotation

Question 24

infraspinatus nerve

Answer 24

suprascapular

Question 25

teres minor origin

Answer 25

lateral border of scapula

Question 26

teres minor insertion

Answer 26

greater tubercle

Question 27

teres minor action

Answer 27

external rotation

Question 28

teres minor nerve

Answer 28

axillary

Question 29

teres major origin

Answer 29

inferior angle and posterior scapula

Question 30

teres major insertion

Answer 30

lesser tubercle

Question 31

teres major action

Answer 31

internal rotation

Question 32

teres major nerve

Answer 32

lower subscapular