Principles of Physiological Motion (Fryette's Mechanics)

Question 1

Vertebral Unit

Answer 1

Two adjacent vertebrae with their associated intervertebral disk, arthroidial, ligamentous, muscular, vascular, lymphatic and neural elements

Question 2

How to think about vertebral motion

Answer 2

Think of anterior superior surface of vertebral body relativity to structures below it. For example: T3 rotated right involves rotation about a vertical axis. So ask:
How does the ant/sup body move?
How does the spinous process move?
What does the right transverse process do?

Question 3

Vertebral Sidebending

Answer 3

Movement in a coronal (frontal) plane about an anterior-posterior axis; “lateral flexion”. For example, when sidebending left, the left transverse processes come together, and the right transverse processes spread apart

Question 4

First Principle of (T/L) Spinal Motion Mechanics

Answer 4

Type 1 mechanics, are neutral (no significant flexion or extension) mechanics. When any part of thoracic or lumbar region is in neutral position then side bending yields opposite rotation. Often used for curves and imbalances in musculature

Question 5

Second Principle of Spinal Motion Mechanics

Answer 5

involves flexion or extension preference, and rotation and side bending are to the same side; rotates to side of concavity

Question 6

Third Principle of Spinal Mechanics

Answer 6

Not Fryette. Basically moving one vertebral segment will cause changes in other planes of motion.

Question 7

Given T3 favors rotation to the right and sidebending left. Which position does the spinous process favor?

Answer 7

rotation left

Question 8

Given T3 favors rotation to the right. Which position does the right transverse process favor?

Answer 8

posterior

Question 9

True or False: type 1 usually favors one segment

Answer 9

False: multiple segments

Question 10

How do you describe somatic dysfunction?

Answer 10

Name dysfunction for direction of freedom of motion/ position of ease.

Question 11

How do you find flexion or extension?

Answer 11

Have a patient lay on their side with their knees at appr. 90 degrees or at level of L5, and pull them out for extension, push them in for flexion

Question 12

How do you find sidebending?

Answer 12

lift ankles up or below plain of table

Question 13

Cervical Spine Motion of Mechanics

Answer 13

motion determined by facet joints, usually same side “type 2”, somatic dysfunction can involve flexion or extension. However, for C1-C7 somatic dysfunction is solely based on rotation

Question 14

Occipitoatlantal Motion

Answer 14

Occiput on axis is always coupled with sidebending opposite to rotation, “type 1”, somatic dysfunction can be flexion, extension, or neutral