Planes, Positions, Axes

Question 1

Abduction

Answer 1

Move body segment away from body

Question 2

Adduction

Answer 2

Move body segment towards body

Question 3

Anatomical reference position

Answer 3

Erect standing position with all body parts, including the palms of the hand, facing forward, considered starting position for body segment movements

Question 4

Anterorposterior axes

Answer 4

Imaginary line around which frontal plane rotations occur, towards front/back of body

Question 5

Anterior

Answer 5

Towards the front of the body

Question 6

Calibration

Answer 6

Comparing segment to an object of known length

Question 7

Capture rate

Answer 7

Ability to take multiple pictures every second

Question 8

Depression

Answer 8

Movement in inferior direction

Question 9

Distal

Answer 9

Further from an attachment

Question 10

Elevation

Answer 10

Movement in superior direction

Question 11

Extension

Answer 11

Movement that returns body segment to anatomical position from position of flexion

Question 12

Fixed reference

Answer 12

Movement relative to the environment/space

Question 13

Frontal plane

Answer 13

Plane where lateral movements of the body/body segments occur, front/back

Question 14

Hertz

Answer 14

Unit for electrical analysis of motion

Question 15

Hyperextension

Answer 15

Rotation beyond anatomical position in direction opposite the direction of flexion

Question 16

Inferior

Answer 16

Away from the head

Question 17

Lateral

Answer 17

Away from the midline of body

Question 18

Lateral flexion

Answer 18

Flexion of body segment away from midline of body, sideways rotation of trunk

Question 19

Lateral rotation

Answer 19

Rotation of body segment away from midline of body

Question 20

Longitudinal axis

Answer 20

Imaginary line around which transverse plane rotations occur, along the long part of the system

Question 21

Medial

Answer 21

Towards the midline of body

Question 22

Medial rotation

Answer 22

Rotation of body segment is towards midline of body

Question 23

Mediolateral axis

Answer 23

Imaginary line around which sagittal plane rotations occur, runs towards/away from midline

Question 24

Motion analysis

Answer 24

Technique that allows for study of images from consecutive sequence of images

Question 25

Moving reference

Answer 25

Movement of body segment

Question 26

Pitch

Answer 26

Rotations around mediolateral axis

Question 27

Posterior

Answer 27

Towards the back

Question 28

Proximal

Answer 28

Closer to an attachment

Question 29

Reflective markers

Answer 29

Indicate joint center of rotation/position of skeletal landmarks

Question 30

Resolution

Answer 30

Amount of detail included in picture

Question 31

Roll

Answer 31

Rotations around anteriorposterior axis

Question 32

Sagittal plane

Answer 32

Plane in which forward/backward movements occur

Question 33

Scaling factor

Answer 33

Value that determines degree in which the measured value relates to real world distance (real world distance/measured distance)

Question 34

Superior

Answer 34

Towards the head

Question 35

Time stamp

Answer 35

Time at which a point of motion occurred

Question 36

Transverse plane

Answer 36

Plane in which horizontal body/body segment movements occur when in standing erect position, divides body into top/bottom segments

Question 37

Yaw

Answer 37

To rotate around up/down vertical axis (longitude)