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Kines > Tmj > Flashcards

Tmj Flashcards

1
Q

Considered to be the most frequently used joint in
the body

A

Tmj

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2
Q

Mainly used for chewing, swallowing, yawning,
and talking

A

Tmj

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3
Q

Also considered as synovial type of joint

A

Tmj

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4
Q

 known as Craniomandibular joint

A

Tmj

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5
Q

The two main bones involved in the formation
of the temporomandibular joint are the

A

Mandible and temporal

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6
Q

The temporal bone forms the superior
part of the joint with two components:

A

Mandibular fossa and articular tubercle

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7
Q

The inferior part of the joint is formed
mainly by the head of the

A

Mandible

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8
Q

bony landmarks of
the mandible surrounding tmj

A

Convex mandibular condyle

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9
Q

Concavity

A

Mandibular fossa

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10
Q

Right anterior of the mandibular fossa is
the protuberance known as the

A

Articular eminence

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11
Q

convex
articular part of tmj

A

Articular eminence

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12
Q

presence of
fibrocartilage rather than hyaline cartilage in
the tmj is very significant coz fibrocartilage can
actually repair and remodel itself (coz tmj is
prone to wear and tear)

A

Articular disc

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13
Q

is a complex synovial joint with two convex
surfaces articulating during movement
 Joint is divided into two compartments:
superior and inferior

A

Tmj

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14
Q

occurs gliding,
translating or sliding movement
- Composed of articular
eminence (plane joint

A

Upper cavity

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15
Q

composed of
mandibular condyle (simple hinged joint)
- Occurs rotation

A

Lower cavity

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16
Q

allows for a more congruent and
stable joint (increase stability while minimizing
loss of mobility)

A

Articular disc

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17
Q

Unique feature of tmj is the presence of
________ (biconcave in shape)

A

Articular disc

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18
Q

Articulation

A

o Articular Eminence
o Mandibular Condyle

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19
Q

upper and lower joint separated by

A

Articular disc

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20
Q

comprise of superior
surface of the disc and the articular
eminence of joint

A

Upper joint

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21
Q

allows 3
degrees of freedom with gliding
motion

A

Upper joint

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22
Q

Plane, triaxial, larger

A

Upper joimt

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23
Q

comprise of inferior
surface of the disc and the
mandibular condyle

A

Lower joint

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24
Q

-Hinge type of joint
- Modified Hinge
- Uniaxial

A

Lower joimt

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25
Q

There are two structures in the temporal bone.

A

Mandibular Fossa
Articular Eminence

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26
Q

is Thinner and
Translucent; Hence, it is not the true
articulation.

A

Mandibular fossa

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27
Q

Thus it is the best articular structure for the
TMJ

A

Articular eminence

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28
Q

 Horses shoe Shaped
 Largest Facial Bone

A

Mandible

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29
Q

Attachment of temporalis
muscle

A

Coronoid process

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30
Q

Fast Healing
o This allows for the TMJ to repair and
remodel itself

A

Fibrocartilage

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31
Q

Dense, Avascular, Collagenous tissue

A

Fibrocartilahe

32
Q

Function of fibrocarti

A

Superficial-gliding
Deep- withsand stress

Women 587N (60kgF)
 Men 847N (86kgF)

33
Q

Increase stability of the joint

A

Articular disc

34
Q

Thinnest portion is the middle (Force
Accepting Segment)

A

Articular disc

35
Q

is attached medially and
laterally to the pole (lateral pole and
medial pole)

A

Disc

36
Q

Anterior of mandible

A

Superior tendon of lateral
Pterygoid Muscle

37
Q

Posterior

A

Bilaminar Retrodiscal
padj

38
Q

limits the
disc if it moves anteriorly

A

Inferior retrodiscal pad

39
Q

maintains the shape of
articular disc; resist tensile force

A

Collagen

40
Q

contributes to disc regaining its
form during unloading

A

Elastic

41
Q

attracts water; shock absorber;
disc resiliency

A

GAGS

42
Q

Does Not Repair or Remodel itself

A

Bilamimar retrodiscal pad

43
Q

Force accepting segment: middle portion
(thinnest)

A

middle portion of the Articular Disc

44
Q

 Middle segment
o avascular, aneural
o Most force accepting

A

Middle segment of articular disc

45
Q

Temporomandibular ligament 2 portion

A
46
Q

Acts as a suspensory ligament, supporting the mandible.

A

Oblique portion

47
Q

Strongest
- Reinforces of the lateral portion
of TMJ

A

Horizontal

48
Q

Considered the weakest of the TMJ ligaments.

A

Stylomandibular

49
Q

Provides reinforcement to the middle portion of the TMJ.

A

Sphenomandibular

50
Q

Attachment of oblique

A

Condyle neck, articular eminence

51
Q

Attachment of oblique

A

Condyle neck, articular eminence

52
Q

Attachment of sphenomandibular

A

Spine of sphenoid and mid ramus

53
Q

Motions of oblique and horizontal

A

Both retrusion

54
Q

Motions of stylomandibular and sphenomandibular

A

Both protrusion

55
Q

is a fibrous sac that surrounds and encloses the TMJ.

A

Fibrous capsule

56
Q

The anterior, medial, and posterior aspects of fibrous capsule are

A

Thin and loose

57
Q

Lateral of fib capsule

A

Stronger

58
Q

Inferior External Pterygoid
Suprahyoid (Digastric)

What is action

A

Depression

59
Q

Temporalis, Internal P. ,Masseter
Superior Ext P.

A

Elevation

60
Q

Internal P. ,Masseter, External P.

A

Protrusion

61
Q

Post Temporalis
Ant Digastric

A

Retrusion

62
Q

Same: Temporalis
Opposite - Pterygoids

A

Lateral excursions

63
Q

Infrahyoid mm

A

HYOID STABILIZER

64
Q

Specific Exercises that involve the mouth that
aid in relief of TMJ discomfort

A

Rocabado exercise

65
Q

goes into
extension

A

Upper joint

66
Q

goes into
flexion

A

Lower joint

67
Q

Primary muscles

A

Temporalis
Internal medial pterygoid
Masseter
Externa; lateral pyterygoid

TIME

68
Q

Joint issue

A

Arthrogenic

69
Q

o Most common TMJ Disorder

A

Myofascial pain

70
Q

Discomfort/ Pain in Jaw Muscles, Neck,
Shoulder

A

Myofascial pain

71
Q

 Inflammatory
 Capsular Fibrosis
 Osseous Mobility
 Disc Problem

A

Internal derangement

72
Q

Pain and Inflammation in Synovial Tissue

A

Synovitis

73
Q

 May lead to capsular fibrosis

A

Capsulitis

74
Q

Deflection to Ipsilateral (Stretching)

A

Capsulitis

75
Q

 Recurring Ailment
 Deflection to Ipsilateral
 Limited Lateral Deviation
 No Clicking

A

Capsular fibrosis

76
Q

Unable to close mouth

A

Dislocation

Kines (3 decks)

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