Anthropometry Flashcards

(42 cards)

1
Q

Anthropometry

A

Measurement of the human body segments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Anthrompometric Measures

A

-mass
-moment of inertia
-COM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

mass

A

amount of matter in a body, it’s resistance to acceleration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

COM

A

center of mass: balance point about which free rotation occurs, all mass is equally distributed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

MOI

A

moment of intertia: property describing resistance to angular acceleration, increases as mass is located farther from axis of rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

inertial properties

A

mass, moi, com

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

body segments

A

-rigid body structures
-may be composed of small segments
-may be combined (HAT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

examples of body segments

A

feet, shank, thigh, trunk, upper arm, forearm, hands, head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Sum of Segment

A

mass * total mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Segment average

A

(x1+x2)/2 =

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
A

COM Formulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

xcom

A

x coordinate com

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

m1

A

mass of first segment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

m2

A

mass of second segment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

mb

A

mass of whole body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

x1

A

x coordinate of first segment COM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

x2

A

x coordinate of second segment center of mass

18
Q

ycom

A

y coordinate COM

19
Q

y1

A

y coordinate of first segment com

20
Q

y2

A

y coordinate of second segment com

21
Q

Commonly Used Alternatives For Segment Estimations

A

-cadaver
-mathmatical modesl
-scanning/imaging
-kinematic techniques

22
Q

How much does your thigh weight?

A

~9.7% of body weight

23
Q

Format of Dempster Studies

A

8 older males
Cadaver study -cockpit design

24
Q

Harless Studies

A

Cadaver Study
2 decapitaded males

25
Braune and Fischer
Cadaver Study 3 muscular males
26
Importance of Dempster studies
-segment mass as proportion of total mass -COM and k as proportions of segment length
27
Mori and yamamoto
cadaver study n=6
28
Clauser et al
preserved cadavers 13 males
29
Importance of clauser study
stepwise regression -segment mass COM = F best antro measures
30
Chandler et al
cadaver study- 6 embalmed males
31
Importance of chandler study
focused on moment of inertia
32
Whitsett USAF
Modeling approach solid geometric shapes 14 segments
33
Hanavan USAF
Modeling approach geometric shapes 15 segments
34
Hatze
modeling approach 17 segments 242 anthro measures complex varying densities Oscillation technique
35
Important Geometric models
Frustrum of cone for segments
36
Living subject approaches
Immersion
37
image based techniques
gamma ray
38
importance of zatsiorsky and seluyanov study
100 males, 15 females Gamma Ray Imaging
39
Importance of De Leva
Built on zatsiorsky for segment endpoints
40
Mungiole and martin
MRI scans of male athletes legs
41
Where can kinematic techniques be used?
extremities only
42
How are kinematic techniques performed?
Measuring motion and relating that motion to a mechanical system (pendulum)