There were significant district differences in the hand clasping, pollical type , palmar digital formula , arm folding and handedness;

扣手、拇指类型、惯用手、交叉臂、环食指等性状存在地区间差异；

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The results showed as follows: (1)The high-frequency (>50%) traits were straight-pollical type, relative length of annularis over index, long-nail form, plantar digital formula;

研究结果表明：（1）直型拇指、环指长、长型指甲、足趾长的特征出现率均大于50%；

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