Y2S2B2 Omm Strain Patterns

Front 1

physiologic Strain Patterns

Back 1

Flexion
Extension
Torsion
Side Bending Rotation

Front 2

Non-physiologic Strain Patterns

Back 2

Lateral strain
Vertical strain
Sphenobasilar synchrondrosis compression

Front 3

sphenoid and occiput rotate in ____ directions around what axis?

Back 3

-opposite directions
- 2 parallel transverse axes

Front 4

Flexion/Extn strain patterns are named for

Back 4

position of SBS

Front 5

Flexion Strain Patterns

Back 5

SBS elevated
- AP diameter decrease
- Transverse diameter increase
Motion preference is flexion/external rotation
Sacrum is counternutated
- sacral base is posterior
- bilateral shallow sacral sulci

Front 6

Extension Strain Pattern

Back 6

SBS depressed
- AP diameter increase
- Transverse diameter decrease
Motion preference is extension/internal rotation
Sacrum is nutated
-sacral base is anterior
- bilateral deep sacral sulci

Front 7

Flexion face pattern

Back 7

- Face round, wide side to side, short from above down
- Orbits widened diagonal diameter, eyes protruded
- Ears protruding
- Palate wide and flat

Front 8

Extension Face pattern

Back 8

- Face oval, narrow side to side, long from above down
- Orbits narrow diagonal diameter, eyes retruded
- ears close together
- palate narrow and high

Front 9

Flexion strain vault hold pattern

Back 9

fingers on the greater wings of the sphenoid and lateral angles of the occiput are symmetrically widen and inferior

Front 10

Extension strain vault hold pattern

Back 10

fingers on the greater wings of sphenoid and lateral angles of the occiput are symmetrically narrowed and superior

Front 11

Torsion can occur with a blow in the:Anterior and Posterior Quadrant

Back 11

Anterior quadrant
-Frontal or Zygoma
Posterior quadrant
-Parietal or Occipital

Front 12

Torsion axis

Back 12

One Anterior-Posterior (AP) axis, from nasion to opisthion

Front 13

Torsion Motions around axis

Back 13

Sphenoid and occiput rotate at the SBS in opposite directions

Front 14

Torsion Dx is named for

Back 14

the side of the superior (high) greater wing of the sphenoid bone
Right or Left

Front 15

Torsion Palpatory Findings using the Vault Hold for a Left Torsion

Back 15

In the LEFT hand
-the index finger is superior (or rotates towards you, the operator)
little finger is inferior (rotates away from you)

In the RIGHT hand
-opposite of the left

Front 16

Torsion Palpatory Findings using the Vault Hold for a Right Torsion

Back 16

In the RIGHT hand
- the index finger is superior (or rotates towards you, the operator)
the little finger is inferior (rotates away from you)

LEFT Hand opposite of the right

Front 17

Side bending/Rotation Etiology

Back 17

Trauma
-A blow to the left side of the temporal and parietal region results in a right side bending rotation strain
-A blow to the right side of the temporal and parietal region results in a left side bending rotation strain

Front 18

SBR axes and motions

Back 18

Two parallel vertical axes (sidebending)
-One through the center of the sphenoid
-One through the foramen magnum

One A-P axis (rotation)
-Opisthion to naision

Front 19

SBR The sphenoid and occiput rotate in _____ directions on 2 parallel vertical axes

Back 19

Opposite

Front 20

-The sphenoid and occiput rotate in the ____ direction on the AP axis

-Rotation is _____ on the side of the convexity

Back 20

1. Same direction
2. inferior on convexity side

Front 21

SBR Dx named for

Back 21

side of the convexity of the sphenobasilar synchondrosis

Front 22

Left SBR vault hold findings

Back 22

-The left index and little fingers spread apart (widen) and move inferior (away from you)

-The right index and little fingers come together and move superior (toward you)

Front 23

Right SBR vault hold findings

Back 23

-The right index and little fingers spread apart (widen) and move inferior (away from you)

-The left index and little fingers come together and move superior (toward you)

Front 24

Lateral Strain Etiology

Back 24

Trauma to one side of the head anterior or posterior to the SBS, can also occur during birth or from compression in utero

Front 25

Lateral Strain Axis

Back 25

2 parallel vertical axes
-One through the base of the sphenoid
-One through the foramen magnum

Front 26

Lateral Strain Motion

Back 26

Sphenoid and occiput rotate in the same direction around two parallel vertical axes causing a shearing force at the SBS

Front 27

Lateral Strain Dx is named by

Back 27

the direction of the base of the sphenoid
-Left or Right

Front 28

Palpatory findings for Left Lateral Strain

Back 28

Index fingers shift laterally to the right (sphenoid base turns to the left), and the little fingers shift to the left (occipital base turns to the right)

Front 29

Palpatory findings for Right Lateral Strain

Back 29

Index fingers shift laterally to the left (sphenoid base turns to the right), and the little fingers shift to the right (occipital base turns to the left)

Front 30

Vertical Strain Axes

Back 30

Two parallel transverse axes
-One through the sphenoid
-One through the occiput

Front 31

Vertical Strain Motion

Back 31

The sphenoid and occiput rotate in the same direction
- One moves in flexion the other in extension resulting in a shearing force at the SBS

Front 32

Vertical Strain Dx named for

Back 32

direction the posterior surface of the body of the sphenoid has shifted.
-Superior or Inferior

Front 33

Superior vertical strain-vault hold

Back 33

Index fingers rotate inferior
Little fingers rotate superior

Front 34

Inferior vertical strain-vault hold

Back 34

Index fingers rotate superior
Little fingers rotate inferior

Front 35

When to suspect cranial strains

Back 35

Trauma
-Head trauma
-Injuries, accidents (whiplash), fall on sacrum
-Dental trauma
-Surgery to the head, face
-Postural imbalance (scoliosis)

Difficulty during birth
-Short or prolonged labor
-Induction of labor
-Forceps of vacuum extraction delivery
-C-section