Myology

Question 0

What are the muscles of mastication

Answer 0

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

Question 1

What are the muscles of the face and tongue

Answer 1

Orbicularis oculi 
zygomaticus
mentalis
orbicularis oris
buccinator
genioglossus
hyoglossus
styloglossus

Question 2

Does the TMJ have a disc or not

Answer 2

yes it does

Question 3

what is wry neck

Answer 3

torticolis

Question 4

what is the prime mover of jaw closure

Answer 4

masseter

Question 5

What is the function of the buccinator

Answer 5

expels air, aids in mastication

Question 6

what are the muscles of the superficial neck

Answer 6

Platysma and SCM

Question 7

what are the muscle of the suprahyoid compartment

Answer 7

Digastric (two bellies)
stylohyoid
mylohyoid
geniohyoid

Question 8

what are the muscles in the infrahyoid compartment (TOSS)

Answer 8

Sternohyoid
sternothyroid
Omohyoid (2 bellies)
Thyrohyoid

Question 9

what do the muscles of the infrahyoid compartment do

Answer 9

swallowing and speaking

“strap Muscles”

Question 10

What are the vertebral muscles of the head and neck

Answer 10

Longus colli

Scalenus Anterior, Medius and Posterior

Question 11

Longus colli attaches where

Answer 11

the anterior tubercle of atlas

Question 12

what are the muscles of the sub-occipital triangle

Answer 12

Superior oblique
Inferior oblique
Rectus Capitis Posterior Major

Question 13

what makes up the roof of the Sub occipital triangle

Answer 13

semispinalis capitis muscle

Question 14

what is the floor of the Sub occipital triangle

Answer 14

Posterior atlanto-occipital membrane

Question 15

what are the contents of the sub-occipital triangle

Answer 15

suboccipital nerve and vertebral artery*

Question 16

what artery traverses through the suboccipital triangle

Answer 16

vertebral

Question 17

which nerve traverses through the suboccipital triangle

Answer 17

suboccipital

Question 18

name the superior, lateral border of the suboccipital triangle

Answer 18

superior oblique

Question 19

name the medial border of the suboccipital triangle

Answer 19

Rectus capitis posterior major

Question 20

name the inferior, lateral border of the suboccipital triangle

Answer 20

inferior oblique

Question 21

What are the deep muscles of the back

Answer 21

Multifidus
rotatores 
Intertransversarii
interspinalis 
iliocostalis 
longissimus 
spinalis

Question 22

what are the erector spinae muscle group

I Love Spinal (lateral to medial)

Answer 22

Iliocostalis
Longissimus
Spinalis

Question 23

what is the action of the mutifidus

Answer 23

extension and contralateral rotation

Question 24

what is the function of the rotatores

Answer 24

extension and rotation

Question 25

what is the function of the intertransversarii muscles

Answer 25

lateral flexion

Question 26

what is the function of the interspinalis muscles

Answer 26

extension

Question 27

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

Answer 27

Extends and ipsilateral flexion

Question 28

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

Answer 28

Spinal nerve dorsal rami | intertransversarii is also innervated by the anterior rami

Question 29

What are the muscles of the thorax

Answer 29

External Intercostals internal intercostals transverse thoracic subcostalis

Question 30

what is the nerve for the muscles of the thorax

Answer 30

intercostals

Question 31

what is the action of the external intercostals

Answer 31

elevate ribs

Question 32

what is the action of the internal intercostals

Answer 32

depress ribs, interchondral part elevates ribs

Question 33

what is the action of the transverse thoracic muscle

Answer 33

depresses the ribs

Question 34

what is the action of the subcostalis muscles

Answer 34

elevates ribs

Question 35

what are the muscles of the anterior abdominal wall

Answer 35

``` External oblique internal oblique transverse abdominis rectus abdominis cremasteric ```

Question 36

what is the action of the external oblique

Answer 36

compress abdomem, flex trunk, and forced expiration

Question 37

what is the action of the internal oblique

Answer 37

compresses abdomen, flexes trunk and forced expiration

Question 38

what is the action of the transverse abdominis

Answer 38

compresses abdomen and depresses ribs

Question 39

what is the action of the rectus abdominis

Answer 39

depresses ribs and flexes trunk

Question 40

what is the action of the cremaster muscle

Answer 40

retract testis

Question 41

what are the muscles of the posterior abdominal wall

Answer 41

Quadratus lumborum | Psoas major and minor

Question 42

the QL's action is to do what

Answer 42

depresses the twelfth rib and flex trunk laterally

Question 43

what is the action of the Psoas major

Answer 43

flexes thigh and trunk

Question 44

what goes through the psoas major

Answer 44

femoral nerve

Question 45

what id the action of the psoas minor

Answer 45

aids in flexing the trunk

Question 46

what are the muscles of the lateral pelvis wall

Answer 46

piriformis and obturator internus

Question 47

the piriformis is innervated by what nerves

Answer 47

S1-2

Question 48

the piriformis has an action of what

Answer 48

external rotation of hip and abduction of thigh

Question 49

what is the action of the obturator internus

Answer 49

external rotation of thigh

Question 50

what is the obturator internus innervated by

Answer 50

nerve to obturator internus

Question 51

What are the muscles of the pelvic floor ***

Answer 51

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

Question 52

what are the actions of the pubococcygeus

Answer 52

supports pelvic viscera

Question 53

what is the action of the puborectalis

Answer 53

resist increased abdominal pressure

Question 54

what is the action of the iliococcygeus

Answer 54

completes pelvic floor

Question 55

what is the action of the coccygeus

Answer 55

supports and pulls coccyx anteriorly

Question 56

what are the muscles of the urogenital diaphragm

Answer 56

Sphincter urethrae and deep transversus perinei

Question 57

what is the action of the sphincter urethrae

Answer 57

Males it constricts the urethra | females it blends with vaginal wall

Question 58

what action does the deep transversus perinei have

Answer 58

supportive role

Question 59

what are the muscles of the superficial perineum

Answer 59

Ichiocavernosus bulbospongiosus superficial transversus perinei

Question 60

what is the action of the ischiocavernosus

Answer 60

males its aids in erection | females it constricts the vaginal orifice

Question 61

what is the action of the bulbospongiosus

Answer 61

Males only and it aids in erection

Question 62

what is the action of the superficial transversus perinei

Answer 62

support

Question 63

which nerve passes through the greater and lesser sciatic foramen

Answer 63

Pudendal

Question 64

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

Answer 64

piriformis