DSA Midline Bones

Question 1

What are the Midline bones?

Answer 1

Question 2

How do midline bones usually move?

Answer 2

rotate about a transverse axis in an anterior/posterior direction

Question 3

What are three ethmoid clinical considerations?

Answer 3

1. Sinusitis: contributes to pumping action of other sinuses
2. Septal Deviation: ethmoid spine allows some lateral deviation
3. HA: lymphatic backup due to ethmoid SD may contribute to increased dural tension and vascular effects

Question 4

What motion occurs by the vomer and palatines with SBS flexion?

Answer 4

Question 5

How is the Vomer clinically relevant?

Answer 5

Question 6

How does SD of the cranial bones place stress on brain, arteries, veins, and venous sinuses?

Answer 6

via direct connections to dura and arachnoid

Question 7

How is the palatine clinically relevant?

Answer 7

palatine SD can indicatve sphenopalatine ganglion involvement

pteriogopalatine ganglia influences trigeminal output (TMJ, swallowing, speech)

Question 8

What bones are involved in otitis media?

Answer 8

pterous temporal bone, greater wing of the sphenoid

Question 9

What is are some important causes of HAs?

Answer 9

distenstion, traction, or dilation of intracranial or extracranial arteries

impaired venous drainage

Question 10

An torsion of what bone can lead to CN VII problems?

Answer 10

temporal

Question 11

What are the sx of Trigeminal Neuralgia?

Answer 11

Question 12

Based on the OCMM research done, what were the key findings?

Answer 12

• healthy, geriatric pts had improved balance and equilibrium
• pts with dizziness experienced a reduction
• healthy, college students fell asleep faster and slept longer

*outcome of studies led to OCMM be utilized in post-concussion syndrome and traumatic brain injury