Cervical Biomechanics

Question 1

Motion is determined by the ______ of the bone and the characteristics of the ______.

Answer 1

shape;discs

Question 2

Motion is guided by _______.

Answer 2

Facet Joints

Question 3

OA biomechanics are SB and Rotated__________ and show Type _______ mechanics.

Answer 3

coupled to opposite sides. Type 1 LIKE

Question 4

How much can the OA rotate?

Answer 4

30-40 degrees

Question 5

Dysfunctions of the OA are typically _________ and are rarely _________

Answer 5

Flexed or Extended; rarely neutral

Ex: OA E RrSl

Question 6

The 4 rotates of the neck are ?

Answer 6

RCP(min) RCP(maj) ObCapInf, ObCapSup.

Question 7

The Longus capitis muscles is connected to the________.

Answer 7

Anterior scalene muscle

Question 8

C1-C2 or Atlanto -Axial Biomechanic’s primary motion is _______?

Answer 8

Rotation

Ex: C1 Rr or Rl

Question 9

The SCM has SB and Rot ________

Answer 9

opposite

Question 10

If a Pt is SBr Rotl Then the _______ SCM is affected

Answer 10

Right

Question 11

Scalenes have SB and R __________biomechanics

Answer 11

Toward; same side

Question 12

If a pt is SBr Rr then the _________ scalene is affected.

Answer 12

Right scalene

Question 13

The Anterior Scalene muscles are continuous fibers that are connected to the __________.

Answer 13

Longus Capitis Muscle

Question 14

C2-C6 Biomechanics are _______ and follow Type _____ mechanics

Answer 14

Same side : Type II LIKE

- C7 behaves like a thoracic segment( typical fryette)

Question 15

The most common C2-C6 dysfunctions are __________ and ________ are rare.

Answer 15

Flexion and Extension: Neutral

Question 16

The ROM for C4-C5_____
The ROM for C5-C6______
Therefore the greatest ROM segments in the neck are______?

Answer 16

20
20
C4-C5

Question 17

The treatment sequencing is 
1.
2.
3.
4.

Answer 17

1. OA or CO ( top)
2. C7 and T1 ( bottom)
3. C2-C6 (middle)
4. Atl-Axial ( anything left) ( C1)

Question 18

Pain referred for 
C2
C3
C4
C5

Answer 18

C2- side of the head and top half of ear
C3- Bottom half of the ear, jaw,(neck) and top of shoulder
C4- bottom traps, clavicle area to deltoid/chest
C5- Deltoid

Question 19

What are in this pain referral do we need to pay attention to? Why is this very important?

Answer 19

C3-C5

Because this is the innervation for the diaphragm. Could possibly be an MI

Question 20

A vertebral disc will handle a _________ stress load worse but can handle _________ stresses much better.

Answer 20

vertical (90) and horizontal (0-15)

Question 21

Normal discs will bulge ______ the direction of motion and flatten on __________.
Degenerating discs will bulge _______ from the direction of motion and flatten on __________.

Answer 21

toward and flatten on opposite sides

away and flatten on the same sides

Question 22

What are Schmorl’s nodes?

Answer 22

They are disc material that protrude into the surface of the vertebral body and sometomes contacts marrow and leads to inflammation.