Exam 1 & 2 Biomechanical Models and Hypothesis of Chiropractic Subluxation Flashcards

(46 cards)

1
Q

What are the models of subluxation

A

Biomechanical
Neurologic
Tropic
Psychosocial

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2
Q

What is essential component of the intervertebral subluxation hypothesis

A

misalignment or partial dislocation

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3
Q

True or False
Spinal misalignment is a relatively common entity

A

True

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4
Q

What are some mechanisms of cause of intervertebral/ segmental misalignment

A
  • evolution (incomplete adaptation)
  • trauma
  • disc injury, aging
  • inflammatory arthritides
  • Infection
  • congenital & developmental factors
  • postural stress
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5
Q

“The body is perfectly designed, but not suited for contemporary environments and behaviors”
is a concept of…

A

evolutionary biology

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6
Q

“There is 100% of innate intelligence in every living thing, the requisite amount, proportional to it’s organization”
is what principle

A

principle #22

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7
Q

“Innate intelligence is always normal, and it’s function is always normal”
is what principle

A

principle #27

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8
Q

According to B.J. Palmer, what is, in the midst of civilized circumstances, the meaning of the word “hygienic” in chiropractic

A

restoration of natural conditions

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9
Q

“Hygiene, chiropractically, is the restoration of natural and healthful environmental conditions which have …

A

been made abnormal by the necessities of civilized life”

  • Stephenson, textbook of Chiropractic
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10
Q

Trauma to structural components of the spine, particularly ______

A

ligaments
(exceeding the limit of anatomical integrity)

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11
Q

Leach’s instability hypothesis states that what 2 things result in instability and or misalignment

A
  • repeated trauma
  • postural stresses with scaring of ligamentous capsular and disc tissues
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12
Q

What is a mechanism of cause of an intervertebral disk subluxation

A

trauma, degeneration, aging

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13
Q

What specifically occurs in an IVD subluxation

A
  • IVD diminished posterior height
  • spinal nerve subjected to impingement/ compression
  • IAP subluxated, Z joint inflammed
  • SAP projects into IVF
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14
Q

Grisel Syndrome is …

A

rheumatoid arthritis
- any C1-C2 subluxation associated with inflammatory ligamentous laxity (particularly transverse ligament)

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15
Q

A ______ subluxation model associated with UPPER respiratory tract infection
(ears, mouth, nose, throat)

A

Cervical

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16
Q

Who found that upper respiratory tract infections were strongly associated with occiput C1, C2 blockages particularly recurrent?

A

Gutman (1987)

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17
Q

In a study of children with chronic tonsillitis, who found that the most striking and constant clinical finding was movement restriction at the cranio-cervical (occiput & atlas)
junction

A

Lewis (1991)

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18
Q

What is an example of a congenital and a developmental factor that can lead to facet tropism and spondylosis/
spondylolisthesis

A

Trisomy 21 (down syndrome)

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19
Q

What can we tell patients regarding vertebral misalignment

A
  • it is possible and common
  • trauma and aging are normal factors
  • upper neck misalignment is not only a source of pain but has been associated with upper respiratory tract infections and inflammatory processes in neck and head
  • some are at greater risk due to body type
  • everyone’s at risk when we don’t LIVE NATURALLY
20
Q

What is the 1st Biomechanical model

A
  1. intervertebral subluxation
21
Q

What is the 2nd Biomechanical model

A
  1. statics; basic and compensatory distortion
22
Q

The branch of mechanisms that deal with the equilibrium of bodies at rest, or in motion with zero acceleration is the definition of

23
Q

Dr. Willard Carver using statics as a spinal concept considers….

A

the entire spine in addition to individual segments

24
Q

Why does Dr. William Carver look at the entire spine also?

A

because of the effects of gravitational strain on the skeletal framework and posture in the static upright spine

25
What does the term CBP stand for
Chiropractic biophysics
26
Carver's locations of susceptibility to injury and subluxation are
Apices & transitional points of primary and secondary spinal curves
27
Carver postulated that ____ _____ caused predictable effects on the normal human spine "the double S curve" in scoliosis
pelvic unleveling
28
What are some things we can tell patients regarding statics and spinal distortion
- the spine balances under gravity and does its best at all times - a perfect spine is not attainable and not necessary in benefit for chiro. adjustments
29
What is the key to health
function, through a properly communicating nervous system
30
What is one common problem encountered by clinicians involves
HYPOMOBILOTY - soft tissue changes - aberrant neural reflexes - neurologic facilitation
31
An HVLA thrust is
high velocity low force
32
what are 3 general categories of the spinal fixation hypothesis
1. Periarticular mechanisms (around) 2. Intraarticular mechanisms (within) 3. Disk (IVD) mechanisms
33
Periarticular fixation mechanisms involve
- immobilization without trauma - fibrous adhesions from trauma - periarticular muscles impeding motion (nociceptive and intrafusal fibers)
34
Intraarticular fixation mechanisms involve
- degeneration (immobilization) - intraarticular fluid - meniscoid entrapment
35
Inraarticular synovial fold inclusions (can become entrapped between sup. and inf. articular processes) = locked back syndrome (Kos & Wolf) are called
Meniscoids
36
Disk (IVD) mechanisms involve
- immobilization/ disk inhibits imbibition = degeneration - degeneration causes nucleus pulposus to fragment - fragments become sequestered = limited motion/ herniation
37
A degenerated IVD restricts what motion
segmental
38
How does a normal IVD stay healthy
diffusion of water, nutrients and wastes through adjacent vertebral endplates
39
Where does imbibition occur
cribriform endplates
40
When is waste forced out of the IVD?
during compression
41
When does the nutrition go into the IVD
during decompression
42
What is the enemy of the spine
immobility
43
What is a normal component of subluxation
lack of movement
44
How long does it take immobilized joints to be permanently damaged
8 weeks
45
True or false The things that cause spinal fixation are all interrelated
true
46
How do chiropractic adjustments help spinal fixation
- restore normal motion - restore normal nervous system control of muscles