OCMM Midline and Paired Bones

Question 1

What are the midline bones in the cranial vault?

Answer 1

Occipital

Sphenoid

Question 2

What are the midline bones in the face?

Answer 2

Vomer
Ethmoid
Mandible

Question 3

What are the paired bones in the cranial vault?

Answer 3

Frontals
Parietals
Temporals
- Squamous Occiput
- Greater wings of the sphenoid

Question 4

What are the paired bones in the cranial vault?

Answer 4

Frontals
Parietals
Temporals
- Squamous Occiput
- Greater wings of the sphenoid

Question 5

What axis do the midline bones move around, and thus, what are their movement options?

Answer 5

Transverse axis

= Flexion or Extension

Question 6

Paired bones have many axes, what are their movement options?

Answer 6

External or Internal Rotation

Question 7

With Cranial Flexion, which direction do paired bones move?

Answer 7

External Rotation

Question 8

If the paired bones are externally rotating, what direction is the cranium going?

Answer 8

Flexion

Question 9

The Ethmoid moves in the same direction as which bone?

Answer 9

Occiput

Question 10

The Vomer moves in the same direction as which bone?

Answer 10

Sphenoid

Question 11

With the Vault contact, where is the index finger?

Answer 11

Greater wing of sphenoid

– posterior to frontozygomatic suture

Question 12

With the Vault contact, where is the middle finger?

Answer 12

Anterior to the ear

Question 13

With the Vault contact, where is the ring finger?

Answer 13

Mastoid process

Question 14

With the Vault contact, where is the pinky finger?

Answer 14

Toward the occiput

Question 15

With the Vault contact, where are the thumbs?

Answer 15

On the frontal bones

Question 16

With the Vault contact, what bones are the palms on?

Answer 16

Parietal bones

Question 17

Describe the Frontal Occipital Contact?

Answer 17

One hand cradling head via occiput
Other hand has one thumb on the greater wing of the sphenoid and the index/middle finger on the other greater wing of the sphenoid

Question 18

Describe the Becker contact?

Answer 18

Thumbs on the greater sphenoid wings and rest of fingers behind the ears

Question 19

With Cranial Flexion, how will the head feel?

Answer 19

Short and fat

Question 20

With Cranial Flexion, how do your hands move?

Answer 20

Fingers spread and move away from you

Question 21

With Cranial Extension, how will the head feel?

Answer 21

Tall and narrow

Question 22

With Cranial Extension, how do your hands move?

Answer 22

Fingers move towards you

Question 23

What axis does Torsion occur around?

Answer 23

Sagittal

Question 24

Torsion is named for what?

Answer 24

Higher sphenoid greater wing

Question 25

With Torsion, the sphenoid and occiput move in _____ directions

Answer 25

Opposite

Question 26

How will Torsion feel in your hands?

Answer 26

1st and 5th fingers on one hand move superiorly and the other hands move inferiorly

Question 27

How do the hands move with RIGHT TORSION?

Answer 27

Right 1st and 5th fingers move superiorly

Left 1st and 5th fingers move inferiorly

Question 28

What axes does Sidebending Rotation occur around and what are the sphenoid/occiput movements?

Answer 28

1 Sagittal = bones move in SAME direction

2 Vertical = bones move in OPPOSITE directions

Question 29

On the named side for Sidebending Rotation, how will the head feel?

Answer 29

“fuller”

= 1st and 5th fingers move away from each other

Question 30

On the opposite side of the Sidebending Rotation, how will the hands move?

Answer 30

“shrink”

= 1st and 5th fingers move towards each other

Question 31

How do the hands move with RIGHT SIDEBENDING ROTATION?

Answer 31

Right fingers move away from eachother

Left fingers move toward eachother

Question 32

What axes does Vertical Strain occur around and what are the movements of the sphenoid/occiput?

Answer 32

2 Transverse axes

= Motion in the same direction

Question 33

Superior Vertical Strain

Answer 33

Bones rotate ANTERIORLY

Question 34

How do your hands move with Superior Vertical Strain?

Answer 34

1st fingers move AWAY from you

Question 35

Inferior Vertical Strain

Answer 35

Bones rotate POSTERIORLY

Question 36

How do your hands move with Inferior Vertical Strain?

Answer 36

1st fingers move toward you

Question 37

Lateral Strain is named for the direction of?

Answer 37

Base of sphenoid

Question 38

What axes does Lateral Strain occur around and what are the movements of the sphenoid/occiput?

Answer 38

2 vertical axes

= Motion in the same direction

Question 39

For Lateral Strain, it is named for the direction that what fingers go?

Answer 39

Pinky fingers

– right lateral strain = pinky’s go to the right

Question 40

How does Lateral Strain feel in your hands?

Answer 40

1st fingers move opposite the direction of the 5th fingers