Osteopathy in the Cranial Field Flashcards

1
Q

dynamic unit of function

A

neural system continuous
CT continuous
fluids continuous

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2
Q

Dr. Sutherland

A

looked at skull

  • like gills of fish
  • mobility for respiratory mechanism
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3
Q

skull bones beveled

A

like gills of fish

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4
Q

squamoparietal suture

A

nicely beveled

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5
Q

primary respiratory mechanism

A

primary - underlying all physio functions

respiratory - cellular respiration

mechanism - cranial articulations

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6
Q

5 tenets of PRM

A

1 - flucuations of CSF and potency of tide
2 - mobility of intracranial and intraspinal membranes, and function of reciprocal tension membrane
3 - inherent mobility of CNS
4 - articular mobility of cranial bones
5 - involuntary mobility of sacrum between the ilia

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7
Q

1st tenet of PRM

A

flucuations of CSF and potency of tide

circulation and flucuation

  • 70% choroid plexi
  • 30% CSF extracellular fluid moves into subarachnoid space
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8
Q

foramen of magendie and luschka

A

intraventricular and subarachnoid space connections

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9
Q

pacchionian granulations

A

arachnoid

-channels for CSF to venous flow

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10
Q

cranial rhythmic impulse

A

CSF fluctuation two characteristics:
1. physical potency/energy that acts through body (hydrodynamic mechanism)

  1. electrical potential acting in positive and negative phases

fluid flow AND electrical property

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11
Q

rate of CRI**

A

occurs 10-14 cycles per minute in normal adults

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12
Q

second tenet of PRM

A

mobility of intracranial and intraspinal membranes and function of reciprocal tension membrane

-dura mater to straight sinus

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13
Q

sutherland fulcrum

A

straight sinus

-origin of the dura

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14
Q

reciprocal tension membrane

A

function:

-partition, support, shock absorb, stress-meeting

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15
Q

dura

A

continuous with periostium of calvarium

-forms falxes and tentorium

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16
Q

attachments of falx cerebri

A
  • crista galli of ethmoid
  • frontal bones along metopic suture
  • parietal bone along sagittal suture
  • occiput
  • tentorium cerebelli
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17
Q

crista galli

A

ethmoid bone

attachment of falx cerebelli

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18
Q

metopic suture

A

frontal bone

attachment of falx cerebri

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19
Q

sagittal suture

A

of parietal bones

attachment of falx cerebri

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20
Q

attachments of tentorium cerebelli

A
  • posterior clinoid processes of tentorium
  • petrous ridges
  • mastoid portion of temporals
  • posteroinferior angles of parietals
  • transverse ridges of occiput
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21
Q

bones attached to falx cerebri

A

ethoid
frontal
parietal
occipital

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22
Q

clinoid processes

A

sphenoid bone

attachment of tentorium cerebelli

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23
Q

bones attached to falx cerebelli

A

sphenoid
temporal
parietal
occipital

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24
Q

attachment of falx cerebelli

A

tentorium cerebelli

occipital to foramen magnum

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25
Q

bones attached to falx cerebelli

A

occipital

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26
Q

inhalation phase

A

flexion of sphenobasilar symphysis

external rotation of paired bones

27
Q

during inhalation phase**

A
  • falx cerebri - anterior
  • crista galli posterior
  • tentorium cerebelli - anterior - not relaxed
  • venous sinuses - ovoid (increased drainage of blood)
  • midline bones - flexion
  • paired bones - external rotation
  • cephalad pulls spinal dura - sacral base moves posterosuperior and apex toward pubic symphysis (extension of sacrum)
28
Q

exhalation phase

A

extension of SBS

internal rotation of paired bone

29
Q

during exhalation phase**

A
  • falx cerebri posterior
  • crista galli anterior
  • tentorium cerebelli posterior
  • venous sinuses ā€œVā€ - decreased drainage of blood
  • midline bones extension
  • paired bone internal rotation
  • caudal pull on spinal dura sacral base anteroinferior and apex away pubic symphysis (flexion of sacrum)
30
Q

sutherland fulcrum

A

floating, shifting point of balance
-common origin of three sickle shaped dura

feels like balancing a mobile on one finger

31
Q

oligodendroglial cells

A

pulsate in culture

32
Q

third tenet of PRM

A

inherent motility of CNS

  • oligodendroglial pulsations
  • pulsatile CSF and brain motion detectable on MR imaging
33
Q

rams horn

A

coiling and uncoiling of hemi-cerebri which changes volume of ventricles and leads to pumping of CSF

34
Q

fourth tenet of PRM

A

articular mobility of cranial bones

periosteum inside skull - spolts into 2 layers at suture and forms fibrous capsule over edge of bone

periosteum continuous with dura

movement in sutures - more of resiliency of linging, pliant bones

35
Q

SBS motion

A

amplified in vault due to vector arc

36
Q

sphenobasilar synchondrosis

A

sphenoid > occiput

ossifies late 20s

flexion - larger V
extension - smaller V

37
Q

cranial vault

A

laid down in membrane in uteru

38
Q

cranial base

A

laid down in cartilage

39
Q

bones in skull?

A

29

40
Q

bones in cranum

A

8

41
Q

bones in face

A

14

42
Q

misc bones

A

6 ossicles

hyoid (PART OF CRANIUM)

43
Q

first ossification center of sphenoid

A

8-9 week in utero

44
Q

sphenoid at birth

A

central part (body and lesser wing) and two lateral parts (greater wing and pterygoid process)

45
Q

25th year

A

sphenoid and occipital bones completely fused (symphysis)

before - synchondrosis

46
Q

ossification of occiput

A

7th week of fetal life

47
Q

occiput at birth

A

4 separate parts
-basilar, 2 lateral, squamous

all joined by cartilage and form ring around foramen magnum

48
Q

occiput at second year

A

lateral and squamous fusion

49
Q

occiput at year 3 and 4

A

lateral and basilar fusion

50
Q

fusion of occiput

A

giovannia - believes age 5

51
Q

fifth tenet of PRM

A

involuntary mobility of sacrum between ilia

52
Q

motion of sacrum

A

transverse axis around S2

53
Q

sacrum during inhalation

A

decreased lordotic

-sacral base - posterior

54
Q

sacrum during exhalation

A

increased lordotic

-sacral base - anterior

55
Q

flexion of SBS

A

sacrum conternutates

  • base - posterior
  • extension
56
Q

extension of SBS

A

sacrum nutates

  • base anterior
  • flexion
57
Q

flexion

A

skull wider

bert

58
Q

extension

A

skull skinnier

ernie

59
Q

axes of rotation?

A

2x transverse

  • one in sphenoid
  • one in occiput
60
Q

mastoid during external rotation

A

moves posteromedial

61
Q

mastoid during internal rotation

A

moves anterolateral

62
Q

petrous ridges during external rotation

A

anterolateral

63
Q

petrous ridges during internal rotation

A

posteromedial