TMJ

Question 1

What is TMJ?

Answer 1

Temporomandibular Joint

Question 2

Where is the TMJ located?

Answer 2

Anterior to ear and the posterior, superior end of the jaw

Question 3

What kind of joint is the TMJ?

Answer 3

Hinge Like Joint (has gliding motion)

Question 4

What bones are involved in the TMJ?

Answer 4

Mandible, Temporal Bone, Disk

Question 5

What motions happen at the TMJ?

Answer 5

Elevation, depression, protraction, retraction, lateral deviation

Question 6

What are the primary muscles of the TMJ?

Answer 6

Temporalis, masseter, medial pterygoid, lateral pterygoid

Question 7

What motions occur at the Temporalis?

Answer 7

Bilateral elevation, bilateral retraction, same side unilateral deviation

Question 8

What motions occur at the masseter?

Answer 8

Bilateral elevation, same side unilateral deviation

Question 9

what motions occur at the medial pterygoid

Answer 9

bilateral elevation, bilateral protraction, opposite side lateral deviation

Question 10

What motions occur at the lateral pterygoid

Answer 10

bilateral protraction, bilateral depression, opposite side lateral deviation

Question 11

What are some other muscles involved in the TMJ? (not primary)

Answer 11

suprahyoid, mylohyoid, geniohyoid, stylohoid, digastric, infrahyoid, sternohyoid, sternothroid, throhyoid, omohyoid

Question 12

What is the innervation of TMJ

Answer 12

Cranial Nerves 5,7, and 12

Question 13

What bones are on the head and face?

Answer 13

frontal[pg199,200], parietal[pg199,200], temporal (mastoid process)[pg99,200], sphenoid[pg199,200], occipital[pg199,200], nasal[pg199,200], zygomatic[pg200], maxilla[pg199,200], mandible[pg199,200], temporomandibular joint[pg202], foramen magnum[pg213]

Question 14

What bones are all included in the thorax

Answer 14

ribs (pg236), costovertebral joints (pg236), Thoracic Vertebrae (pg212), Sternum(pg117)

Question 15

What movements occur at the Thorax

Answer 15

gliding/rotating, UP(elevation) and Out with inspiration, DOWN (depression) and in with expiration

Question 16

What are two ways to change thoracic volume?

Answer 16

Move the ribs and lower the diaphragm

Question 17

What are the three muscles of Respiration?

Answer 17

Diaphragm, External Intercostals, Internal Intercostals

Question 18

What is the action of the Diaphragm during respiration?

Answer 18

Inspiration

Question 19

What is the action of the External Intercostals during respiration?

Answer 19

Elevate ribs

Question 20

What is the action of the Internal Intercostals?

Answer 20

Depressing the ribs

Question 21

What are the deep inspiration muscles? (part of the accessory inspiratory muscles)

Answer 21

Sternocleidomastoid, pectoralis major, scalenes, levator costarum, serratus posterior superior

Question 22

What are the forced inspiration muscles?( part of the accessory inspiratory muscles)

Answer 22

Reversal muscle action of levator scapula, upper trapezius, rhomboids, pectoralis minor

Question 23

What are the forced expiration muscles? (part of the accessory expiratory muscles)

Answer 23

Rectus abdominis, external oblique, internal oblique, transverse abdominis superior, quadratus lumborum, serratus posterior inferior

Question 24

What phases of respiration are there in inspiration?

Answer 24

Quiet inspiration, deep inspiration, forced inspiration

Question 25

What muscles are working in quiet inspiration

Answer 25

diaphragm, external intercostals

Question 26

What muscles are working in deep inspiration

Answer 26

diaphragm, external intercostals, sternocleidomastoid, scalenes, pectoralis major, levator costarum, serratus posterior superior

Question 27

What muscles are working in forced inspiration

Answer 27

diaphragm, external intercostals stenorcleidomastiod, scalenes, pectoralis major, levator costarum, serratus posteror superior, levator scapula, upper trapezius, rhombids, pectoralis minor

Question 28

What phases of expiration are there

Answer 28

quiet expiration, forced expiration

Question 29

what muscles work in quiet expiration

Answer 29

relaxation of diaphragm, external intercostals, elastic recoil of thoracic wall, lungs, and bronchi, gravity

Question 30

what muscles work in forced expiration

Answer 30

internal intercostals, rectus abdominis, external oblique, internal oblique, quadratus lumborum, transverse abdominis, serratus posterior inferior

Question 31

What is the bony components housing the spinal cord

Answer 31

spinal column

Question 32

What are the bones in the neck and trunk

Answer 32

occipital bone, foramen magnum, cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum vertebrae, coccyx vertebrae

Question 33

What type of joint is the intervertebral joints

Answer 33

facet joints, triaxial

Question 34

What ligaments are in the neck and trunk

Answer 34

anterior longitudinal, posterior longitudinal, supraspinal, interspinal, ligamentum flavum

Question 35

What are the motions of the neck and trunk

Answer 35

flexion, extension, hyperextension, lateral flexion(bending), rotation, cervical only (retraction and protraction)

Question 36

How many bones are there in the spinal column

Answer 36

33

Question 37

How many curves are there in the spinal column ad what are their names?

Answer 37

4, cervical, thoracic, lumbar, sacral

Question 38

What is the shape of the cervical curve

Answer 38

anterior (convex)

Question 39

what is the shape of the thoracic curve

Answer 39

posterior (concave)

Question 40

What is the shape of the lumbar curve

Answer 40

anterior (convex)

Question 41

What is the shape of the sacral curve

Answer 41

posterior (concave)

Question 42

What is the abnormal increase in throacic curve

Answer 42

kyphosis

Question 43

what is an abnormal increase in lumbar curve

Answer 43

lordosis

Question 44

what is an excessive lateral curve usually in thoracic region

Answer 44

scoliosis

Question 45

what is the purpose of the curves in the spinal column

Answer 45

provide strength/stability approx. 10x more than straight rod and keeps center of gravity

Question 46

What is the functions of the spinal column

Answer 46

1. maintain body in upright posture 2. protect spinal cord 3. provides pivot point for motion while supporting head

Question 47

How many cervical vertebrae are there

Answer 47

7, smallest of vertebrae

Question 48

why does the spinous process have a bifid split

Answer 48

attachment of all the muscles which provide neck movement

Question 49

what is the foramen in each transverse process for

Answer 49

holding blood vessels

Question 50

How many thoracic vertebrae are there

Answer 50

12, longer and more vertical

Question 51

What are the facets on the thoracic vertebra for

Answer 51

12 pairs of ribs to articulate

Question 52

How many Lumbar vertebrae are there

Answer 52

5. largest, thick spinous processes

Question 53

How many sacral vertebrae are there

Answer 53

5 (fused), fused during growth process