topic 11

Question 1

action of m. omotransversarius

Answer 1

limb free: shoulder cranially

limb fixed: flex neck laterally

Question 2

Medial to which m. can which lc. be found

Answer 2

lc. cervicale supf., with N/V. suprascapulare

Question 3

what are the 5 branches of a. cervicale superficiale

Answer 3

1 - r. deltoideus
2 - r. ascendens
3 - a. suprascapulare
4 - r. acromialis
5 - a. prescapularis

Question 4

where does n. suprascapulare originate from the spinal nerves

Answer 4

ventral branch of C6-C7

Question 5

describe the course of n. suprascapulare

Answer 5

M -> L btw m. subscapulare and m. supraspinatus

Question 6

which muscles does the n. supascapulare innervate

Answer 6

m. supra- and m. infraspinatus

Question 7

what are the two groups of m. sternocleidomastoideus

Answer 7

m. sternocephalicus and m. brachiocephalicus

Question 8

name the mm of m. sternocephalicus

Answer 8

m. sternooccipitalis and m. sternomastoideus

Question 9

name the mm of m. brachiocephalicus

Answer 9

m. cleidobrachialis
m. cleidocephalicus:
- (m. cleidocervialis)
- (m. cleidomastoideus)

Question 10

which muscles does the n. accessorius innervate

Answer 10

r. dors - trapezius, cleidocephalicus and omotransversarius

r. ventr - sternocephalicus

Question 11

fibers of XI (accessorius)

Answer 11

motor only

Question 12

origin of n. accessorius

Answer 12

radices craniales from medulla oblongata(r. int)

radices spinales from spinal chord(r. ext)