Cranial

Question 1

Sacral rocking

Answer 1

Occurs about sup transverse axis

Question 2

Primary respiratory mechanism

Answer 2

10-14 cycles/min (healthy person)

Question 3

Sphenobasilar Synchondrosis

Answer 3

Junction between sphenoid and basi-occiput

Reference point which dx motion patterns

Question 4

Flexion

Answer 4

SBS rises
Sacral base moves post
Paired bones externally rotate
Fingers move caudad and fingers separate
Extension is opposite

Question 5

Axis for flex/ext

Answer 5

Occiput around transverse axis sup to foramen magnum

Sphenoid around transverse axis ant to floor of sella turcica

Question 6

Torsion

Answer 6

Sphenoid and occiput rotate in opposite directions around an AP axis
Named for sup greater wing of sphenoid

Right torsion during flexion
Right index moves sup
Right pinky moves inf

Question 7

Sidebending

Answer 7

3 axes
Same direction around AP axis
Occiput rotates around vertical axis (through foramen magnum)
Sphenoid rotates around vertical axis through body of sphenoid
Rotate in opposite directions
Named for convex side

Right sidebending
Left fingers move cephalad and together
Right fingers move down and out