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47 Cards in this Set

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Rate of Cranial Rhythmic Impulse
10 - 14 cycles per minute
Decreases rate and quality of CRI
1. Stress (emotional, physical)
2. Depression
3. Chronic fatigue
4. Chronic infections
5. Compression strain of the SBS, usually from trauma to back of head
Increases rate and quality of CRI
1. Vigorous physical exercise
2. Systemic fever
3. Following OMT to the craniosacral mechanism
Dural attachments
Foramen magnum, C2, C3, and S2
Meninges 3 membrane layers
1. Dura mater (outer most membrane)
2. Arachnoid mater
3. Pia mater
What meninges layer forms the falx cerebri and tentorium cerebelli?
Dura mater
What are the midline bones of the cranium?
sphenoid, occiput, ethmoid, and vomer
What is another name for sacral extension?
counternutation
Flexion at the SBS causes the dura to be pulled in which direction?
The sacral base moves in what direction?
Dura moves cephalad
Sacral base counternutates
What does cranial flexion do to anteriorposterior diameter of the head?
Decreases the AP diameter
During Cranial extension, the paired bones of the cranium moves which way? External rotation or internal rotation?
internal rotation
During cranial extension, which way does the dura go? Cephalad or Caudad
Caudad
Which way does the sacral base move during cranial extension?
Nutates: sacral flexion
What happens to the head's AP diameter during cranial extension?
Increases AP diameter
Describe how cranial torsion is named to get Right Torsion or Left Torsion
named for the greater wing of the sphenoid that is more superior.
(i.e. left torsion has the left greater wing superior to the right.

occiput and posterior cranium rotate in the opposite direction
Describe how cranial sidebend/rotation strain is named to be SBR.l or SBRr
Naming of left or right is based on which way the sphenobasilar synchondrosis is deviated. When deviated right, will see wider opening of SBS on the right. Right side of sphenoid will become inferior. Occiput will rotate in the same direction (right in this example)
Which cranial strains are physiologic?
These do not interfere with flexion or extension of craniosacral motion
1.,2. Flexion and Extension but only if it does not interfere with flexion or extension motion
3.,4.Right and Left Torsion
5.,6. SBR left and SBR right
How is vertical strain of the SBS named?
Superior vertical strain means the sphenoid deviates cephalad compared to the occiput.

Inferior vertical strain means the sphenoid is caudad compared to the occiput.
Which strain makes the cranium feel like a parallelogram?
Lateral strain
How might one get a cranial lateral strain?
Get hit on the side of the head in the front.
How is lateral strain named?
sphenoid will deviate left or right in comparison to the occiput.
Decribe the location of the sphenoid and occiput in a compression strain
sphenoid and occiput are pushed together.
Mechanism of getting a compression strain
hit in the back of the head.
Where does CN1 exit the cranium?
Symptoms associated with dysfunction?
cribiform platre
Altered sense of smell
Where does Cranial nerve 2 exit the cranium
Symptoms associated with dysfunction?
optic canal
Visual changes
Where does cranial nerve 3 exit the cranium?

Symptoms associated with dysfunction
superior orbital fissure
Diplopia, ptosis, or accomodation problems
Where does cranial nerve 4 exit the cranium ?
Associated symptoms if dysfunction
superior orbital fissure
Diplopia
Where does cranial nerve 5 branch V1 exit the cranium?

Symptoms of dysfunction
superior orbital fissure
Decreased sensation to the eyelid and scalp
Where does cranial nerve 5 branch V2 exit the cranium?

Symptoms of dysfunction?
Foramen rotundum
Tic Douloureux (Trigeminal neuralgia)
Where does cranial nerve 5 branch V3 exit the cranium

Symptoms associated with dysfunction
Foramen ovalie
Decreased sensation to the mandible.
Where does cranial nerve 6 exit the cranium?

symptoms associated with dysfunction
superior orbital fissure
diplopia and estropia
Where does cranial nerve 7 exit the cranium?

Symptoms associated with dysfunction
enters internal acoustic meatus and exits the sylomastoid foramen
Bell's palsy
Where does cranial nerve 8 exit

Symptoms associated with dysfunction?
internal acoustic meatus
Tinnitus, vertigo, or hearing loss
What two nerves exit the cranium via jugular foramen?
CN 9 and 10

Symptoms of dysfunction of CN10?
Headache, arrhythmias, GI upset, respiratory problems
Where does CN 11 exit the cranium?
Symptom associated with dysfunction?
Spinal division C1-C6 enters foramen magnum joins with the cranial division and exits the jugular foramen
Tenderness in the sternocleidomastoid or trapezius
Where does CN12 exit the cranium?
Symptom associated with dysfunction?
Hypoglossal canal
Dysphagia
What CN dysfunction can result in poor suckling in the newborn?
CN12 occipital condylar compression.
Dysfunctions of CN 9 and 10 at the jugular foramen can also cause suckling dysfunctions.
What can cause vagal somatic dysfunction?
OA, AA and/or C2 dysfunction
What OMT treatment will help a baby that has dysfunction of CN12 leading to poor swallowing and dysphagia?
condylar decompression.
What cranial technique is useful for sutural dysfunction espeically over a discretely tender area?
V-Spread technique
What happens to the CRI in compression cranial strain pattern?
severely decreased sometimes absent CRI
what is a contraindication for cranial treatment?
papilledema as this is a sign for elevated intracranial pressure which is a contraindication for cranial treatment.
what axis does the sacrum rotate during pulmonary respiration and the cranial rhythmic impulse ?
sacrum rotates about its superior transverse axis
What is the best treatment to raise the CRI?
CV4 technique
what treatment works well for headaches?
suboccipital release
What osteopathic technique helps restore optimal intracranial blood flow and is commonly used for sinus headaches?
the venous sinus technique
what cranial technique is used to facilitate movement of the sutures of the skull?
V spread technique