Cranial Intro Flashcards

1
Q

5 PRM anatomical-physiological elements?

A
  1. inherent motility of the brain and spinal cord
  2. fluctuation of CSF
  3. mobility of intracranial and intraspinal membranes
  4. articular mobility of cranial bones
  5. monbility of sacrum interdependent with motion of SBS
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2
Q

Indications for OCMM?

A
  • stress
  • after birth
  • trauma
  • dentistry/TMJD
  • feeding difficulities infant
  • plagiocephaly
  • vertigo
  • TBI/concussion
  • orofacial pain
  • sinusitis/otitis media
  • tinnitus
  • post CVA
  • torticollis
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3
Q

Absolute contraindications to OCMM?

A
  • Acute CVA or intracranial bleed
  • Acute skull fracture
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4
Q

Relative contraindications to OCMM?

A
  • hx of siezures
  • coagulopathy
  • Increased ICP
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5
Q

Where is CSF produced?

A

choroid plexus of 3rd and 4th ventricles

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6
Q

What is the driving push from CSF expansion called?

A

Cranial rhythmic impulse

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7
Q

What are the motion characteristics of the CRI and describe them?

A
  • Rate
    • 8-14
  • Rhythm
  • Amplitude
    • SD will decrease this
  • Direction
    • normal should be linear and symmetric
  • Strength
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8
Q

What is the reciprocal tension membrane?

A
  • functioning unit that holds bones of the vault and base under a constant tension
    • this is made by the tentorium cerebelli and the falx
    • allows but limits motion and acts as a spring storing energy in flexion and releasing in extension
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9
Q

Where does the RTM attach?

A
  • frontal
  • sphenoid
  • temporal
  • occipital
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10
Q

Describe cranial flexion.

A
  • SBS rises superiorly decreasing the angle btw the occiput and the sphenoid
  • The head widens and decreases the AP diameter becoming more spherical
    • inhalation (head fills like a balloon becoming spherical with cranial inhalation/flexion)
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11
Q

Describe cranial extension?

A
  • SBS moves inferiorly increasing the distance btw the inferiro abgle of sphenoid and occiput
  • Head gets tall and narrow (paired with exhalation)
    • people die with exhalation, face elongates and cheekbones are prominent
    • exhalation=extension
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12
Q

Where does the dura attach on the skull and sacrum?

A
  • foramen magnum to the posterior body and disc of S2 in the spinal canal
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13
Q

What does sacral nutation pair with?

A

SBS extension

base moves anteroinferior and apex moves posterior

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14
Q

What does counternutation pair with?

A
  • SBS flexion
  • base moves posterosuperior and apex moves anterior
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15
Q

Where does CN1 travel?

A

Cribiform plate

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16
Q

wehre does CN 2 travel through?

A

optic canal

17
Q

What travels through the superior oribtal fisssure?

A
  • CN III
  • CN IV
  • CN VI
  • CN V 1 (opthalmic)
18
Q

What travels through foramen rotundum?

A

maxillary nerve

19
Q

What travels through foramen ovale?

A
  • mandibular nerve
  • accessory meningeal artery
20
Q

What travels through foramen spinosum?

A
  • middle meningeal artery/vein
  • meningeal branch of mandibular nerve
21
Q

What travels through interior acoustic meatus?

A
  • CN VII
  • CN VIII
22
Q

What travels through jugular foramen?

A
  • CN IX
  • CN X
  • CN XI
23
Q

What travels through foramen magnum?

A
  • Medulla oblongata
  • Meninges
  • Vertebral arteries
  • Spinal roots of accessory nerve
24
Q

What kind of joint is the SBS?

A
  • Hyaline cartilagenous junction- a synchondrosis
25
Q

How doe midline bones move?

A
  • flexion and extension rotating about a transverse axis in an anterior posterior direction
26
Q

How do paired bones move?

A
  • Internal external rotation
27
Q

How do paired bones in the face and cranial vault move during cranial flexion?

A
  • Rotate externally
    • flexternal rotation
28
Q

flexion of the ethomoid?

A

perpendicular plate is rotated by the sphenoid about a transverse axis swinging the crista galli superiorly and posteriorly

29
Q

what does the comer do with SBS flexion and extension?

A
  • flexion results in depression of the hard palate (wide and flat palate)
  • Extension results in a narrow tall palate
30
Q

What is causing the fluctuation of the CSF?

A

Cranial rhythmic impulse

31
Q

What controls the motility of the brain and spinal cord?

A

Cerebral blood flow oscillation