Table 8 Mean (SD) values for segment principal moment of inertia about the sagittal axis (Ixx, Kg•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 |
248.95 (69.14) |
226.92 (71.57) |
280.09 (19.65) |
400.67 (84.37) |
366.98 (84.27) |
233.51 (46.15) |
Male swimmers |
290.75 (61.00) |
230.10 (54.30) |
299.95 (22.06) |
441.04 (93.48) |
372.79 (94.18) |
253.81 (29.45) |
Female swimmers |
226.96 (25.79) |
141.22 (40.58) |
259.11 (15.72) |
379.78 (33.37) |
309.98 (63.34) |
197.83 (19.44) |
Trunk |
Adult male |
16595 (2574) |
14501 (1887) |
13523 (1474) |
16841 (1599) |
13142 (1762) |
13239 (1838) |
Male swimmers |
20324 (4133) |
20276 (3150) |
16551 (2461) |
21743 (2861) |
17157 (2750) |
17959 (2774) |
Female swimmer |
12014 (2222) |
10938 (1725) |
9868 (1101) |
13467 (1916) |
10096 (1534) |
10728(1553) |
Head + Trunk |
Adult male |
21522 (2884) |
22758 (3521) |
22446 (2496) |
27680 (3254) |
22119 (2989) |
21123 (2918) |
Male swimmers |
26264 (4647) |
29056 (4717) |
27356 (3300) |
33511 (4081) |
27531 (3883) |
27198 (3871) |
Female swimmers |
16263 (2455) |
16725 (2784) |
17969 (1661) |
23286 (2840) |
17373 (2225) |
17510 (2253) |
Upper arm |
Adult male |
167.92 (42.42) |
194.90 (48.10) |
135.71 (21.56) |
205.55 (28.37) |
133.72 (30.94) |
161.64 (35.41) |
Male swimmers |
230.29 (63.78) |
266.42 (75.58) |
157.93 (24.67) |
241.06 (34.00) |
166.40 (49.98) |
207.70 (65.86) |
Female swimmers |
142.30 (27.14) |
167.27 (32.75) |
109.70 (16.86) |
186.09 (20.74) |
98.50 (17.29) |
125.88 (18.88) |
Forearm |
Adult male |
56.33 (17.31) |
67.80 (18.52) |
68.42 (8.77) |
78.17 (18.64) |
63.22 (23.62) |
64.25 (19.20) |
Male swimmers |
70.52 (23.18) |
86.30 (28.89) |
77.16 (10.75) |
92.46 (23.84) |
79.11 (27.19) |
75.81 (23.61) |
Female swimmers |
42.22 (11.75) |
53.24 (16.11) |
54.79 (6.52) |
64.25 (16.40) |
45.92 (12.25) |
44.62 (12.25) |
Thigh |
Adult male |
2072 (592) |
1538 (428) |
2149 (347) |
1618 (303) |
1867 (404) |
1531 (369) |
Male swimmers |
2316 (583) |
1721 (446) |
2500 (411) |
1742 (362) |
1975 (418) |
1552 (451) |
Female swimmers |
1779 (357) |
1357 (260) |
1666 (264) |
1309 (210) |
1602 (250) |
1178 (185) |
Shank |
Adult male |
519 (148) |
633 (184) |
418 (80) |
458 (108) |
494 (147) |
449 (123) |
Male swimmers |
619 (165) |
759 (208) |
502 (89) |
527 (103) |
576 (157) |
516 (140) |
Female swimmers |
396 (101) |
489 (124) |
334 (64) |
376 (103) |
363 (112) |
362 (98) |
(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.