TMJ, Neck & Trunk, Respiratory System

Question 0

Tmj has these joint motions:

Answer 0

Depression
Elevation
Lateral deviation
Protrusion
Returns ion

Question 1

TMJ: articulation btwn -— & —- with a —- btwn these two bones

Answer 1

Mandibular fossa of t bone and condyle of mandible w a disc btwn these two bones

Question 2

Tmj depression - what are the two movements?

Answer 2

1. Anterior rotation of mandibular condyle on disc

2. Disc and condyle slide fwd and downward under the articular tubercle

Question 3

What happens in TMJ during lateral deviation?

Answer 3

• One condyle rotates (spins) towards

* The other glides (away)

Question 4

Muscles of mastication:

Answer 4

• Temporalis
• Masseter
• Medial pterygoid
• Lateral pterygoid - only one which opens

Question 5

Muscles of mastication are innervated by:

Answer 5

Trigeminal nerve (CN V)

Question 6

Main motion of Atlanto-occipital joint

Answer 6

Flexion and extension of head only

Question 7

Atlantoaxial Joint motion

Answer 7

Rotation of the head only

Question 8

Median atlantoaxial joint is:

Answer 8

Articulation btwn dens and anterior arch of atlas anteriorly and transverse ligament posteriorly

Question 9

Cervical Retraction

Answer 9

Flex head on C1 and extend neck (finger on chin)

Question 10

Cervical Protraction

Answer 10

Extend head on C1 and flex neck

Question 11

vertebral artery passes through these which are only located here:

Answer 11

transverse foramen; cervical vertebrae

Question 12

ROM for cervical:
 flexon
extension
lateral bending
rotation

Answer 12

FEL = 45

Rotation=60

Question 13

SCM

Answer 13

Flexes neck
Extends head
Rotates to opposite side
Accessory nerve (CN XI)
NR: CN XI, C2, C3

Question 14

Brachial plexus and subclavian artery pass btwn this set of muscles

Answer 14

Scalenes

Question 15

Scalenes

Answer 15

O - transverse process of cervical vertebrae
I - 1st and 2nd ribs
A - B: assist in neck flexion U: neck lateral bending
N - lower cervical nerves

Question 16

Contributes to thoracic outlet syndrome

Answer 16

Scalene

Question 17

Prevertebral Muscles

Answer 17

Anterior

Flexex head

Question 18

Suboccipital Muscles

Answer 18

Below base of posterior skull
O - C1 and C2
I - Occiput and C1
A - B: extend head U: laterally bend and rotate head to same side

Question 19

Erector Spinae Muscles

Answer 19

Located along entire spine
In cervical spine, provide postural control over gravitational pull of head into flexion
If sit up straight spinal column will take weight instead of muscle pulling
If hunched over muscles always firing to keep you from falling

Question 20

Splenius capitis

Answer 20

attaches to skull

Question 21

Splenius Cervicis

Answer 21

doesn’t attach to skull

Question 22

4 anterior trunk muscles

Answer 22

Rectus abdominis
External oblique
Internal oblique
Transverse abdminis

Question 23

Rectus Abdominis

Answer 23

O - Pubis bone
I - xiphoid process and costal cartilages of 5th, 6th, and 7th ribs
A - trunk flexion; compression of abdomen
N- 7th through 12th intercosttal nerves
NR - T7 - T12 (if injury @ T6 would not have ab muscles)

Question 24

External Obliques

Answer 24

``` O - Lower 8 ribs laterally I - iliac crest and linea alba A - B: trunk flexion, compression of abdomen U: lateral bending to same side and rotation to opposite side N - 8th - 12th intercostal nerves NR - T8-T12 ```

Question 25

Internal Oblique

Answer 25

O - Inguinal ligament, iliac crest, thoracolummbar facia I - 10th, 11th, 12th ribs and abdominal aponeurosis A - B: trunk flexion, compression of abdomen,U: lateral bending to same side and rotation to same side N - 8th through 12th intercostal nerves NR - T8-T12

Question 26

Transverse Abdominis

Answer 26

``` O - Inguinal ligament,, iliac crest, thoracolumbar fascia, and last 6 ribs I - Abdominal aponeurosis and linea alba A - Compression of abdomen N - 7th - 12th intercostal nerves NR - T7 - T12 ```

Question 27

Transversospinalis Muscles

Answer 27

DEEP

Question 28

Quadratus Lumborum

Answer 28

``` O - iliac crest I - 12th rib, transversed processes of all five lumbar vertebrae A - trunk lateral bending N - 12th thoracic and 1st lumbar nerrves NR - T12, L1 ```

Question 29

Quadratus Lumborum reversal action:

Answer 29

causes hip hiking

Question 30

Inhalation ribs move up medial-lateral like a ____ and anterior-posterior like a ______.

Answer 30

bucket handle, Pump handle

Question 31

Diaphram

Answer 31

O - xiphoid process, ribs, lumbar vertabrae I - insertion on itself via Central tendon A - Inspiration (cannot contract to force air out) N - Phrenic nerve NR - C3, C4, C5 - keeps the daiphram alive

Question 32

External Intercostals (inspiration)

Answer 32

O - Rib above I - Rib below A - Elevates ribs N - intercostal nerves

Question 33

Internal intercostals (expiration)

Answer 33

O - Rib below I - Rib above A - depress ribs N - intercostal nerves

Question 34

These muscles assist in inspiration by their reversal of muscle action

Answer 34

SCM - pulls sternum up Pec major pulls sternum twd humerus when hands on hips, knees, or head when "catching breath" (stabilizes humerus and makes it similar to closed chain activity) scalenes can elevate first two ribs

Question 35

Accessory Expiratory Muscles

Answer 35

Assist the muscles of expiration by their reversal of muscle action Rectus abdominis and quadratus lumborum can pull ribs down

Question 36

The articulation btwn the head and C1 (atlas) is often called

Answer 36

atlanto-occipital joint

Question 37

Main motion at atlanto-occipitaljoint

Answer 37

flexion and extension

Question 38

Muscles have most control over moving the head on the neck are the

Answer 38

prevertebral muscles anteriorly and the suboccipital muscles posteriorly

Question 39

Flexing head on C1 and extending neck C2-C7 is known as

Answer 39

axial extension or cervical retraction

Question 40

Cervical protraction is

Answer 40

Extending the head on C1 and flexing the neck C2-C7

Question 41

Anterior longituddinal ligament is ______ superiorly and ____ inferiorly

Answer 41

thin | thick

Question 42

The posterior longitudinal ligament is _____ superiorly and ____ inferiorly

Answer 42

thick | thin

Question 43

The purpose of the anterior longitudinal ligament is to

Answer 43

to prevent excessive hyperextension

Question 44

The purpose of the posterior longitudinal ligament

Answer 44

to prevent excessive flexion

Question 45

This ligament connects adjacent laminae anteriorly

Answer 45

ligamentum flavum