[Classification of hand and its significance].

Measurements of normal values in hand appearance and thumb movements were done in 102 male adult volunteers with no history of previous injury to their hands. The data showed some characteristics between the appearance and function of hand, for example, no case showed the distance of adduction of thumb was 0, but the normal function of hand was still acquired. Positive correlation appeared between the indexes of appearances of hand. Correlation analysis have been done for three pairs of indexes, that is, hand length and width, length of thumb and the distance of first web, adduction of thumb and thumb-opposition. The correlation charts and their formulae have been presented. Furthermore, hands of male chinese could be classified into five types according to the correlation chart or the formula. The significance of such classification i discussed as well.