Table 10.
Percentage Root Mean Square Error (%RMSE) for segment centre of mass position in the longitudinal axis from the distal end point (COM, cm) observed for adult Caucasian male (= 10), male swimmers (= 10) and female swimmers (= 8).
Estimation Method
Segment
Group
C
Y
Z1
Z2
Z3
Head
Adult male
10.86
11.74
15.73
32.62
11.65
Male swimmers
14.27
8.26
23.71
38.04
15.50
Female swimmers
8.11
9.02
15.31
30.49
8.68
Trunk
Adult male
28.06
3.09
7.35
3.45
3.45
Male swimmers
23.10
2.24
8.48
4.42
2.98
Female swimmers
27.74
3.17
8.92
3.04
2.88
Head + Trunk
Adult male
16.36
3.88
6.04
4.35
3.93
Male swimmers
14.02
3.20
5.41
6.68
1.98
Female swimmers
15.43
5.53
5.58
3.70
3.87
Upper arm
Adult male
5.67
5.89
9.97
13.66
18.11
Male swimmers
3.61
7.28
10.42
12.95
16.72
Female swimmers
5.14
6.17
11.87
12.70
17.92
Forearm
Adult male
4.30
5.18
29.26
35.30
10.30
Male swimmers
5.07
6.29
28.85
36.48
11.26
Female swimmers
3.43
5.80
31.83
36.56
9.74
Thigh
Adult male
8.52
2.71
21.86
10.34
6.09
Male swimmers
10.16
2.48
23.24
7.85
7.61
Female swimmers
10.02
3.62
17.36
8.49
7.43
Shank
Adult male
1.66
2.36
4.38
7.81
6.21
Male swimmers
2.40
1.83
5.74
8.76
5.81
Female swimmers
2.41
2.67
4.44
7.77
5.80
(C) Chandler model; (Y) Yeadon model; (Z1) Zatsiorsky simple regression model; (Z2) Zatsiorsky multiple regression model;(Z3) Zatsiorsky geometric model (Z3).