Cranial Strains: Naming and Axes of Motion

Question 1

What is the axis of motion for flexion/expansion strain?

Answer 1

2 parallel transverse

Question 2

What is the flexion/expansion strain named for?

Answer 2

Sup SBS

Question 3

What is the axis of motion for extension/contraction strain?

Answer 3

2 parallel transverse

Question 4

What is the extension/contraction strain named for?

Answer 4

Inf SBS

Question 5

What is the axis of motion for a torsion strain?

Answer 5

AP

Question 6

What is a torsion strain named for?

Answer 6

Sup/Ceph greater wing sphenoid (left or right) – Hand that twists up

Question 7

What is the axis of motion for a side bending rotation strain?

Answer 7

3 total = AP (SB); 2 parallel vertical (rotation)

Question 8

What is a side bending rotation strain named for?

Answer 8

Convexity/wide finger side (left or right)

Question 9

What is the axis of motion for a superior vertical strain?

Answer 9

2 parallel transverse

Question 10

What is the superior vertical strain named for?

Answer 10

Sup sphenoid base – Thumbs away from you

Question 11

What is the axis of motion for the inferior vertical strain?

Answer 11

2 parallel transverse

Question 12

What is the inferior vertical strain named for?

Answer 12

Inf sphenoid base – Thumbs towards you

Question 13

What is the axis of motion of a lateral strain?

Answer 13

2 parallel vertical

Question 14

What is a lateral strain named for?

Answer 14

Direction sphenoid base points (left or right) – Side pinky fingers point