Table 11
Percentage Root Mean Square Error (%RMSE) for segment principal moment of inertia about the sagittal axis (Ixx, Kg·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
19.25
24.24
29.84
76.86
59.87
Male swimmers
26.00
18.75
20.48
82.82
57.48
Female swimmers
23.13
32.63
33.96
97.50
63.43
Trunk
Adult male
29.33
12.82
6.20
29.07
6.07
Male swimmers
15.24
13.85
11.10
22.63
6.74
Female swimmers
15.98
7.61
9.19
27.19
9.14
Head + Trunk
Adult male
8.52
12.78
7.93
32.17
6.63
Male swimmers
7.29
9.23
5.06
24.49
4.30
Female swimmers
9.60
9.49
6.70
33.84
6.03
Upper arm
Adult male
14.98
26.91
18.00
33.59
19.57
Male swimmers
18.28
33.55
24.16
30.99
20.43
Female swimmers
18.46
36.61
15.14
50.81
22.51
Forearm
Adult male
16.60
13.96
23.75
31.93
20.13
Male swimmers
12.00
17.53
23.05
27.41
13.84
Female swimmers
10.17
22.63
33.80
46.85
12.59
Thigh
Adult male
37.23
9.05
45.54
17.91
27.39
Male swimmers
52.30
14.85
72.90
21.23
34.25
Female swimmers
52.33
17.58
42.55
19.81
40.20
Shank
Adult male
16.30
41.24
13.40
8.35
12.30
Male swimmers
22.96
49.55
11.89
10.82
16.74
Female swimmers
19.09
40.95
16.25
19.87
25.35
(C) Chandler model; (Y) Yeadon model; (Z1) Zatsiorsky simple regression model; (Z2) Zatsiorsky multiple regression model;(Z3) Zatsiorsky geometric model (Z3).