Back

Question 1

Trapezius main action

Answer 1

elevation, retraction, and depression of scapula; rotation of glenoid fossa superiorly

Question 2

Trapezius innervation

Answer 2

Spinal accessory nerve (Cranial Nerve XI)

Question 3

Trapezius arterial supply

Answer 3

Transverse cervical artery

Question 4

Latissimus Dorsi main action

Answer 4

extension, adduction, and internal rotation of humerus; lift body to arm while climbing

Question 5

Latissimus Dorsi innervation

Answer 5

Ventral Rami of Spinal Nerves

Question 6

Latissimus Dorsi artery

Answer 6

Thoracodorsal artery

Question 7

Levator scapulae main action

Answer 7

lateral flexion of head and neck

Question 8

Levator scapulae innervation

Answer 8

Dorsal Scapular Nerve (C5)

Question 9

Levator scapulae artery

Answer 9

Dorsal scapular artery

Question 10

Rhomboid major main action

Answer 10

stabilization, retraction, elevation, and internal rotation of scapula

Question 11

Rhomboid major innervation

Answer 11

Ventral rami of spinal nerves

Question 12

Rhomboid major artery

Answer 12

Dorsal Scapular artery

Question 13

Rhomboid minor main action

Answer 13

stabilization, retratction, elevation, and internal rotation of scapula

Question 14

Rhomboid minor innervation

Answer 14

Ventral rami of spinal nerves

Question 15

Rhomboid minor artery

Answer 15

Dorsal Scapular Artery

Question 16

Serratus posterior superior main action

Answer 16

elevation of ribs

Question 17

Serratus posterior superior innervation

Answer 17

Ventral Rami of Spinal nerves

Question 18

Serratus posterior superior artery

Answer 18

Posterior intercostal arteries

Question 19

Serratus Posterior inferior main action

Answer 19

Depression of ribs

Question 20

Serratus posterior inferior innervation

Answer 20

Ventral Rami of Spinal Nerves

Question 21

Serratus Posterior inferior artery

Answer 21

Posterior intercostal arteries

Question 22

Splenius Capitus main action

Answer 22

unilateral contraction: lateral flexion of neck & rotation of head to side of contraction

bilateral contraction: head and neck extension

Question 23

Splenius Capitus innervation

Answer 23

Dorsal Rami of Spinal Nerves

Question 24

Splenius capitus artery

Answer 24

Deep Cervical Artery; Posterior intercostal arteries

Question 25

Splenius cervicis main action

Answer 25

unilateral contraction: lateral flexion of neck & rotation of head to side of contraction bilateral contraction: head and neck extension

Question 26

Splenius cervicis innervation

Answer 26

Dorsal Rami of Spinal Nerves

Question 27

Splenius cervicis artery

Answer 27

Deep Cervical artery; posterior intercostal arteries

Question 28

Illiocostalis main action

Answer 28

Unilateral contraction: lateral flexion Bilateral contraction: extension

Question 29

Illiocostalis innervation

Answer 29

Dorsal Rami of Spinal Nerves

Question 30

Illiocostalis artery

Answer 30

Deep Cervical artery; posterior intercostal arteries; lumbar arteries

Question 31

Longissimus main action

Answer 31

Unilateral contraction: lateral flexion Bilateral contraction: extension

Question 32

Longissimus innervation

Answer 32

Dorsal Rami of Spinal Nerves

Question 33

Longissimus artery

Answer 33

Deep Cervical artery; posterior intercostal arteries; lumbar arteries

Question 34

Spinalis main action

Answer 34

Unilateral contraction: lateral flexion Bilateral contraction: extension

Question 35

Spinalis innervation

Answer 35

Dorsal Rami of Spinal Nerves

Question 36

Spinalis artery

Answer 36

Deep cervical artery; posterior intercostal arteries; lumbar arteries

Question 37

Semispinalis spans

Answer 37

4-6 vertebrae

Question 38

Semispinalis main action

Answer 38

extensoin of vetebral column and head

Question 39

Semispinalis innervation

Answer 39

Dorsal Rami of Spinal Nerves

Question 40

Semispinalis artery

Answer 40

Deep Cervical Artery; posterior intercostal arteries; lumbar arteries

Question 41

Multifidi spans, thickest region

Answer 41

2-4 vertebrae, lumbar

Question 42

Multifidi main action

Answer 42

Contralateral rotation; vertebral stabilization

Question 43

Multifidi innervation

Answer 43

Dorsal Rami of Spinal Nerves

Question 44

Multifidi artery

Answer 44

Deep cervical artery; posterior intercostal arteries; lumbar arteries

Question 45

Rotators span, best developed region

Answer 45

1-2 vertebrae, thoracic

Question 46

Rotator main action

Answer 46

extension and rotation of vertebral column

Question 47

Rotators innervation

Answer 47

Dorsal Rami of Spinal Nerves

Question 48

Rotators artery

Answer 48

Deep cervical artery; posterior intercostal arteries; lumbar arteries