Table 7. Mean (SD) distance of the centre of mass position in the longitudinal axis from the distal end point (COM, cm) of adult Caucasian male ( = 10), male swimmers ( = 10) and female swimmers ( = 8).
Estimation Method
Segment
Group
C
Y
Z1
Z2
Z3
DXA
Head
Adult male
11.91 (.86)
11.81 (1.21)
11.88 (1.68)
14.77 (1.31)
12.05 (.87)
11.32 (.88)
Male swimmers
13.04 8.72)
11.94 (.86)
13.98 (1.42)
15.48 (1.80)
13.19 (.73)
11.57 (.55)
Female swimmers
12.01 (.86)
11.14 (.92)
12.12 (1.80)
15.15 (.54)
12.15 (.87)
11.69 (.31)
Trunk
Adult male
35.70 (.92)
27.29 (.839
26.18 (.55)
28.42 (1.32)
28.36 (.73)
27.96 (1.08)
Male swimmers
37.89 (1.32)
30.27 (.99)
28.47 (1.21)
31.94 (1.11)
30.11 (1.05)
30.81 (.89)
Female swimmers
34.47 (1.62)
26.48 (1.13)
24.78 (1.38)
27.16 (1.13)
27.39 (1.29)
27.02 (.89)
Head + Trunk
Adult male
39.10 (.87)
32.71 (1.23)
32.12 (.65)
34.87 (1.71)
34.73 (.97)
33.74 (1.27)
Male swimmers
41.44 (1.30)
35.27 (1.15)
34.72 (1.18)
38.55 (1.44)
36.20 (.97)
36.39 (.99)
Female swimmers
38.09 (1.63)
31.44 (1.32)
31.51 (1.51)
33.92 (1.15)
33.91 (1.40)
33.06 (.89)
Upper arm
Adult male
14.68 (.85)
15.78 (.94)
16.19 (1.59)
13.26 (.72)
12.56 (.73)
15.28 (.829
Male swimmers
15.76 (1.19)
17.20 (1.20)
17.74 (1.88)
14.10 (1.04)
13.48 (1.02)
16.18 (1.43)
Female swimmers
14.68 (.73)
16.02 (.74)
16.79 (1.20)
13.38 (.64)
12.56 (.63)
15.26 (.52)
Forearm
Adult male
14.93 (1.16)
14.79 (1.29)
11.03 (1.58)
9.97 (.82)
13.87 (1.08)
15.40 (1.23)
Male swimmers
15.77 (1.32)
15.49 (1.28)
11.86 (1.85)
10.46 (.92)
14.65 (1.23)
16.46 (1.51)
Female swimmers
14.47 (.97)
14.10 (.89)
10.22 (1.33)
9.43 (.72)
13.44 (.90)
14.86 (1.01)
Thigh
Adult male
26.38 (1.92)
24.06 (1.75)
19.21 (2.08)
22.23 (2.38)
25.74 (1.88)
24.42 (1.75)
Male swimmers
27.21 (2.15)
24.84 (1.96)
19.23 (2.59)
23.13 (2.42)
26.55 (2.10)
24.80 (2.20)
Female swimmers
26.19 (1.59)
24.51 (1.61)
19.91 (1.92)
22.39 (2.32)
25.56 (1.55)
23.85 (1.35)
Shank
Adult male
24.36 (1.74)
24.09 (1.75)
25.38 (2.17)
26.34 (1.81)
23.01 (1.65)
24.49 (1.75)
Male swimmers
25.74 (1.91)
25.50 (2.19)
26.81 (2.56)
27.82 (2.12)
24.32 (1.80)
25.72 (2.23)
Female swimmers
23.72 (1.72)
23.28 (1.64)
24.32 (2.24)
25.48 (1.69)
22.40 (1.62)
23.66 (1.56)
(C) Chandler model; (Y) Yeadon model; (Z1) Zatsiorsky simple regression model; (Z2) Zatsiorsky multiple regression model;(Z3) Zatsiorsky geometric model (Z3); (DXA) and the proposed estimation protocol using DXA.