Coordinate Systems

Question 1

Divides: Right and Left

Answer 1

Sagittal Plane

Question 2

Divides: Anterior-Posterior

Answer 2

Frontal (Corona) Plane

Question 3

Divides: Superior-Posterior

Answer 3

Transverse Plane

Question 4

Cartesian coordinate system is aka (2)

Answer 4

Orthogonal or Rectangular coordinate system

Question 5

Orthogonal coordinate system means what?

Answer 5

Its coordinating surfaces meet at right angles to another.

Question 6

What are the 3 axes of motion?

Answer 6

x, y, and z

Question 7

How are the 3 axes of motion formed?

Answer 7

By the junction of 2 planes

Question 8

The movement in a STRAIGHT LINE ALONG and axis.

Answer 8

translation

Question 9

Movement occurs AROUND and axis.

Answer 9

rotation

Question 10

What is the most common motion in the body?

Answer 10

Coupled movment

Question 11

Coupled movement aka?

Answer 11

Curvilinear motion

Question 12

Coupled motion combines what two movements?

Answer 12

Rotation and translation

Question 13

How many “degrees of freedom” are there?

Answer 13

6

Question 14

The potential exists for each joint to exhibit _______ movements and ________ rotational movements.

Answer 14

3 translational

3 rotational

Question 15

The x-axis is the junction of what two planes?

Answer 15

Coronal and transverse

Question 16

The Y-axis is the junction of what two planes?

Answer 16

Coronal and sagittal

Question 17

The Z-axis is the junction of what two planes?

Answer 17

Sagittal and transverse

Question 18

Always horizontal side to side - axis?

Answer 18

x-axis

Question 19

Always vertical - axis?

Answer 19

Y-axis

Question 20

Perpendicular to X, front to back - axis?

Answer 20

Z-axis

Question 21

X-axis translation: + is towards _____, - is towards ______.

Answer 21

Left,

right

Question 22

Y-axis translation: + is towards ____. = towards ____.

Answer 22

Superior

Inferior

Question 23

Z-axis translation: + toward _____. - toward _____.

Answer 23

Anterior

posterior

Question 24

Lateral glide right to left is what kind of translation?

Answer 24

Positive X translation

Question 25

Lateral glide left to right is what kind of translation?

Answer 25

Negative X translation

Question 26

Distraction is what motion? What kind of translation?

Answer 26

Inferior to superior.

Positive Y translation.

Question 27

Compression is what motion? What kind of translation?

Answer 27

Superior to inferior.

Negative Y translation.

Question 28

P-A glide is aka?

Answer 28

anterolisthesis

Question 29

A-P glide is aka?

Answer 29

retrolisthesis

Question 30

Anterolisthesis is what kind of translation?

Answer 30

Positive Z translation

Question 31

Retrolisthesis is what kind of translation?

Answer 31

Negative Z translation

Question 32

3-D Cartesian coordinate system Rotation aka?

Answer 32

“right handed system”

Question 33

Flexion of spine is what kind of rotation?

Answer 33

Positive theta X

Question 34

Extension of spine is what kind of rotation?

Answer 34

Negative theta X

Question 35

Left axial rotation is what kind of rotation?

Answer 35

Positive theta Y

Question 36

Right axial rotation is what kind of rotation?

Answer 36

Negative theta Y

Question 37

Right lateral flexion is what kind of rotation?

Answer 37

Positive theta Z

Question 38

Left lateral flexion is what kind of rotation?

Answer 38

Negative theta Z

Question 39

Two motions coupled at once is called what?

Answer 39

Coupled motion

Question 40

What are the coupled motions of vertebral motion?

Answer 40

Anterior translation (positive Z axis)
Flexion (positive theta X)