|
LINEAR REGRESSION
EQUATIONS (DURNIN & WORMERSLEY)
BODY DENSITY
= C-[M(LOG10 SUM OF ALL FOUR SKINFOLDS)]
MALE |
17-19
YRS |
20-29
YRS |
30-39
YRS |
40-49
YRS |
50
+ YRS |
C |
1.1620 |
1.1631 |
1.1422 |
1.1620 |
1.1715 |
M |
0.0630 |
0.0632 |
0.0544 |
0.0700 |
0.0779 |
______________________________________________________________________________
FEMALE |
16-19
YRS |
20-29
YRS |
30-39
YRS |
40-49
YRS |
50
+ YRS |
C |
1.1549 |
1.1599 |
1.1423 |
1.1333 |
1.1339 |
M |
0.0678 |
0.0717 |
0.0632 |
0.0612 |
0.0645 |
THE SIRI
EQUATION
Fat % = [(4.95 / BD) - 4.5] * 100
BODY DENSITY
EQUATIONS (JACKSON & POLLOCK)
MALE BD = 1.0990750 - 0.0008209 (X2) + 0.0000026 (X2)2
- 0.0002017 (X3) - 0.005675 (X4) + 0.018586 (X5)
X2 =
sum of the chest, abdomen and thigh skinfolds in mm
X3 =
age in years
X4 =
waist circumference in cm
X5 =
forearm circumference in cm
FEMALE
BD = 1. 1 470292 - 0.0009376 (X3) + 0.0000030 (X3)2
- 0.000 1 1 56 (X4) - 0.0005839 (X5)
- Where
X3
= sum of triceps, thigh and suprailiac skinfolds, in mm
X4
= age in years
X5
= gluteal circumference, in cm
Printable
version
Bibliography
|
