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2007, Piran, Slovenia

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Environmental Ergonomics XII<br />

Igor B. Mekjavic, Stelios N. Kounalakis & Nigel A.S. Taylor (Eds.), © BIOMED, Ljubljana <strong>2007</strong><br />

DISCUSSION<br />

In this study, forehead (E1 and HH), and arrowy sector factors (S1), representing the<br />

geometrical feature of lower body, are extracted or derived from 3D scan measurements. The<br />

analysis of these shape factors with a normal distribution test, K-Means cluster and Fisher<br />

discriminant tests, we investigated the features of the lower body of also men in East China.<br />

The study shows:<br />

(1) The 26 measurements are mostly normally distributed.<br />

(2) Based on geometric features and physiological structure of the lower body, six body<br />

488<br />

Deviation from Normal<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

-20<br />

Expected Normal Value<br />

Detrended Normal Q-Q Plot of Waist<br />

500<br />

Observed Value<br />

1000<br />

900<br />

800<br />

700<br />

600<br />

500<br />

400<br />

Normal Q-Q Plot of Waist<br />

400<br />

600<br />

500<br />

Observed Value<br />

700<br />

600<br />

700<br />

800<br />

800<br />

900<br />

900<br />

Figure. 1-1 Normal Q-Q Plot of Waist Girth<br />

1000<br />

Figure. 1-2 Detrended Normal Q-Q Plot of Waist Girth<br />

1000<br />

1100<br />

1100

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