Superficial Back: Posterior

Question 1

Upper trapezius (origin)

Answer 1

external occipital protuberance
ligamentum nuchae
SP’s of C7 and all thoracic vertebrae

Question 2

Upper trapezius (insertion)

Answer 2

spine of scap
acromion
lateral 1/3 of clavicle

Question 3

Upper trapezius (action)

Answer 3

elevation of scap

Question 4

Upper trapezius (nerve)

Answer 4

spinal accessory nerve (CN XI)

Question 5

Middle trapezius (origin)

Answer 5

External occipital protuberance
ligamentum nuchae
SP’s of C7 and all thoracic vertebrae

Question 6

Middle trapezius (insertion)

Answer 6

spine of scap
acromion
lateral 1/3 of clavicle

Question 7

Middle trapezius (action)

Answer 7

retraction of scap

Question 8

Middle trapezius (nerve)

Answer 8

spinal accessory nerve (CN XI)

Question 9

Lower trapezius (origin)

Answer 9

external occipital protuberance
ligamentum nuchae
SP’s of C7 and all thoracic vertebrae

Question 10

Lower trapezius (insertion)

Answer 10

spine of scap
acromion
lateral 1/3 of clavicle

Question 11

Lower trapezius (action)

Answer 11

depression of scap

Question 12

Lower trapezius (nerve)

Answer 12

spinal accessory nerve (CN XI)

Question 13

rhomboid major (origin)

Answer 13

spinous processes of T2-T5

Question 14

rhomboid major (insertion)

Answer 14

medial border of scap below rhomboid minor

Question 15

rhomboid major (action)

Answer 15

elevation and retraction of scap

Question 16

rhomboid major (nerve)

Answer 16

dorsal scapular nerve

Question 17

rhomboid major (blood)

Answer 17

dorsal scapular artery

Question 18

rhomboid minor (origin)

Answer 18

lower part of ligamentum nuchae
spinous processes of C7 and T1

Question 19

Rhomboid minor (insertion)

Answer 19

medial border of scapula at base of spine

Question 20

Rhomboid minor (action)

Answer 20

elevation and retraction of scap

Question 21

rhomboid minor (nerve)

Answer 21

dorsal scapular nerve

Question 22

rhomboid minor (blood)

Answer 22

dorsal scapular artery

Question 23

levator scapulae (origin)

Answer 23

transverse processes of C1-C4

Question 24

levator scapulae (insertion)

Answer 24

superior angle and upper part of medial border of scapula

Question 25

levator scapulae (action)

Answer 25

elevation of scapula
rotation of glenoid cavity upward

Question 26

levator scapulae (nerve)

Answer 26

dorsal scapular nerve

Question 27

levator scapulae (blood)

Answer 27

dorsal scapular artery

Question 28

Latissimus dorsi (origin)

Answer 28

spinous process of lower T6 and all lumbar and scaral vertebrae
posterior part of iliac crest

Question 29

latissimus dorsi (insertion)

Answer 29

medial lip (crest of lesser tubercle)
floor at interubercular groove of humerus

Question 30

latissimus dorsi (action)

Answer 30

extension
adduction
medial rotation of arm

Question 31

latissimus dorsi (nerve)

Answer 31

thoracodorsal nerve

Question 32

latissimus dorsi (blood)

Answer 32

thoracodorsal artery