Week 1

Question 1

Limitations of 2 video analysis?

Answer 1

cant get biomechanical measurements from a 2D view point so need to measure in 3D

Question 2

Benefits of 3d motion analysis?

Answer 2

The values are more accurate

Question 3

Acceleration?

Answer 3

Rate of change in velocity with respect to time

Question 4

Angular Displacement?

Answer 4

angle through which a body has been rotated about a fixed axis

Question 5

Angular velocity?

Answer 5

Time rate of change of angular displacement

Question 6

Frontal?

Answer 6

From the front

Question 7

Sagittal?

Answer 7

From the side

Question 8

Transverse?

Answer 8

From the above

Question 9

Anthropometry?

Answer 9

the scientific study of the measurements and proportions of the human body

Question 10

When is there 2as in formula what does it mean

Answer 10

2x gravity & height

Question 11

Quantitative analysis?

Answer 11

placing markers on landmarks

Question 12

Qualitative analysis?

Answer 12

judging performance from view port (in sport)

Question 13

Steps in qualitative analysis?

Answer 13

Description
Observation
Evaluation
Instruction

Question 14

Universal principles?

Answer 14

Low energy required

Question 15

Grounded principles?

Answer 15

maximise acceleration path

Question 16

Progressive scanning?

Answer 16

Records whole frame

Question 17

Interlaced?

Answer 17

records half a frame in two fields

Question 18

Nyquist limit?

Answer 18

Sampling rate twice the highest frequency component of the signal

Question 19

Parallax error?

Answer 19

different outcomes depending on what were doing

Question 20

Perspective error?

Answer 20

Object lies outside principle photographic plane