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Flashcards in Myology Deck (65):
0

What are the muscles of the face and tongue

Orbicularis oculi
zygomaticus
mentalis
orbicularis oris
buccinator
genioglossus
hyoglossus
styloglossus

1

What are the muscles of mastication

Temporalis
Masseter
Medial (internal) Pterygoid
Lateral (external) Pterygoid

2

Does the TMJ have a disc or not

yes it does

3

what is wry neck

torticolis

4

what is the prime mover of jaw closure

masseter

5

What is the function of the buccinator

expels air, aids in mastication

6

what are the muscles of the superficial neck

Platysma and SCM

7

what are the muscle of the suprahyoid compartment

Digastric (two bellies)
stylohyoid
mylohyoid
geniohyoid

8

what are the muscles in the infrahyoid compartment (TOSS)

Sternohyoid
sternothyroid
Omohyoid (2 bellies)
Thyrohyoid

9

what do the muscles of the infrahyoid compartment do

swallowing and speaking
"strap Muscles"

10

What are the vertebral muscles of the head and neck

Longus colli
Scalenus Anterior, Medius and Posterior

11

Longus colli attaches where

the anterior tubercle of atlas

12

what are the muscles of the sub-occipital triangle

Superior oblique
Inferior oblique
Rectus Capitis Posterior Major

13

what makes up the roof of the Sub occipital triangle

semispinalis capitis muscle

14

what is the floor of the Sub occipital triangle

Posterior atlanto-occipital membrane

15

what are the contents of the sub-occipital triangle

suboccipital nerve and vertebral artery*

16

what artery traverses through the suboccipital triangle

vertebral

17

which nerve traverses through the suboccipital triangle

suboccipital

18

name the superior, lateral border of the suboccipital triangle

superior oblique

19

name the medial border of the suboccipital triangle

Rectus capitis posterior major

20

name the inferior, lateral border of the suboccipital triangle

inferior oblique

21

What are the deep muscles of the back

Multifidus
rotatores
Intertransversarii
interspinalis
iliocostalis
longissimus
spinalis

22

what are the erector spinae muscle group
I Love Spinal (lateral to medial)

Iliocostalis
Longissimus
Spinalis

23

what is the action of the mutifidus

extension and contralateral rotation

24

what is the function of the rotatores

extension and rotation

25

what is the function of the intertransversarii muscles

lateral flexion

26

what is the function of the interspinalis muscles

extension

27

what is the function of the Iliocostalis, longissimus and spinalis muscles

Extends and ipsilateral flexion

28

what is the nerve supply to the deep muscles of the back

Spinal nerve dorsal rami
(intertransversarii is also innervated by the anterior rami)

29

What are the muscles of the thorax

External Intercostals
internal intercostals
transverse thoracic
subcostalis

30

what is the nerve for the muscles of the thorax

intercostals

31

what is the action of the external intercostals

elevate ribs

32

what is the action of the internal intercostals

depress ribs, interchondral part elevates ribs

33

what is the action of the transverse thoracic muscle

depresses the ribs

34

what is the action of the subcostalis muscles

elevates ribs

35

what are the muscles of the anterior abdominal wall

External oblique
internal oblique
transverse abdominis
rectus abdominis
cremasteric

36

what is the action of the external oblique

compress abdomem, flex trunk, and forced expiration

37

what is the action of the internal oblique

compresses abdomen, flexes trunk and forced expiration

38

what is the action of the transverse abdominis

compresses abdomen and depresses ribs

39

what is the action of the rectus abdominis

depresses ribs and flexes trunk

40

what is the action of the cremaster muscle

retract testis

41

what are the muscles of the posterior abdominal wall

Quadratus lumborum
Psoas major and minor

42

the QL's action is to do what

depresses the twelfth rib and flex trunk laterally

43

what is the action of the Psoas major

flexes thigh and trunk

44

what goes through the psoas major

femoral nerve

45

what id the action of the psoas minor

aids in flexing the trunk

46

what are the muscles of the lateral pelvis wall

piriformis and obturator internus

47

the piriformis is innervated by what nerves

S1-2

48

the piriformis has an action of what

external rotation of hip and abduction of thigh

49

what is the action of the obturator internus

external rotation of thigh

50

what is the obturator internus innervated by

nerve to obturator internus

51

What are the muscles of the pelvic floor ***

A) Levator ani muscles:
1-Pubococcygeus
2-puborectalis
3-iliococcygeus
B) coccygeus

52

what are the actions of the pubococcygeus

supports pelvic viscera

53

what is the action of the puborectalis

resist increased abdominal pressure

54

what is the action of the iliococcygeus

completes pelvic floor

55

what is the action of the coccygeus

supports and pulls coccyx anteriorly

56

what are the muscles of the urogenital diaphragm

Sphincter urethrae and deep transversus perinei

57

what is the action of the sphincter urethrae

Males it constricts the urethra
females it blends with vaginal wall

58

what action does the deep transversus perinei have

supportive role

59

what are the muscles of the superficial perineum

Ichiocavernosus
bulbospongiosus
superficial transversus perinei

60

what is the action of the ischiocavernosus

males its aids in erection
females it constricts the vaginal orifice

61

what is the action of the bulbospongiosus

Males only and it aids in erection

62

what is the action of the superficial transversus perinei

support

63

which nerve passes through the greater and lesser sciatic foramen

Pudendal

64

which muscle can affect the sciatic nerve and cause pain in the lower extremity of our patients

piriformis