Origins and Insertions

Question 1

Trapezius artery

Answer 1

transverse cervical artery

Question 2

Trapezius nerve

Answer 2

Cranial XI Accessory nerve or spinal accessory nerve

Question 3

Levator scapular nerve

Answer 3

dorsal scapular

Question 4

Levator scapulae artery

Answer 4

dorsal scapular

Question 5

Trapezius proximal attachments

Answer 5

superior nuchal line, external occipital protuberance, nuchal ligament, spinous processes c7-t12

Question 6

Trapezius distal attachments

Answer 6

Clavicle, acromion, scapular spine

Question 7

Trapezius actions

Answer 7

depression of scpaula and glenoid fossa superiorly

Question 8

Trapezius innervations

Answer 8

Cranial XI, Spinal accessory nerve, accessory nerve

Question 9

latissimus dorsi proximal attachments

Answer 9

spinous processes t7-12 thoracolumbar fascia, iliac crest

Question 10

latissimus dorsi distal attachment

Answer 10

floor of intertubercular sulcus of humerus

Question 11

Latissimus dorsei actions

Answer 11

Extension adduction medial/internal rotation of humerus LIFTS BODY TOWARDS ARM IN CLIMBING

Question 12

Levator scapulae proximal attachments

Answer 12

Transverse processes C1-C4

Question 13

Levator scapulae distal attachment

Answer 13

superior angle of scapula

Question 14

Levator scapulae innervation and artery

Answer 14

Dorsal scapular artery/ dorsal scapular nerve

Question 15

Rhomboid major attachment proximal

Answer 15

spinous process of t2-t5

Question 16

proximal attachment for rhomboid minor

Answer 16

nuchal ligament spinous processes of c7-t1

Question 17

rhomboid major and minor distal attachment

Answer 17

medial border of scapula

Question 18

extrinsic muscle function

Answer 18

help with upper limb

Question 19

serratus posterior superior and inferior function

Answer 19

to hold deep back muscles in, superior = breathe in, inferior breathe out

Question 20

deep back muscles function

Answer 20

standing straight up

Question 21

where are the deep back muscles in relation to nuchal fascia / ligament/ ligamentum nuchae or the thoracolumbar fascia

Answer 21

deep to those

Question 22

splenius capitus and cervicus actions

Answer 22

unilateral = lateral flexion of neck bilateral = enck extension

Question 23

longissimus, spinalis, and iliocostalis are parts of what

Answer 23

erector spinae

Question 24

erector spinae action

Answer 24

unilateral = lateral flexion bilateral = extension of back

Question 25

semispinalis

Answer 25

spans whole vertebral section. can see best in neck

Question 26

rotator

Answer 26

spans 1-2 vertibrae can see best in thorax

Question 27

multifidus

Answer 27

2-4 vertebrae thickest in lumbar region

Question 28

semispinalis actions

Answer 28

extension of vertebral column

Question 29

multifidus action

Answer 29

unilateral = rotates to contralateral side stabilizes vertebrae

Question 30

Rotator action

Answer 30

rotation and extension of vertebral column

Question 31

intrinsic back muscles are innervated by what

Answer 31

posterior rami of spinal nerves

Question 32

extrinsic back muscles are innervated by what

Answer 32

anterior rami of spinal nerves

Question 33

Floor of suboccipital triangle is formed by what?

Answer 33

posterior arch of C1 and posterior atlanto occipital membrane

Question 34

artery that supplies suboccipital triangle

Answer 34

vertebral artery

Question 35

nerve in suboccipital triangle

Answer 35

suboccipital nerve