利用脚手长及相关部位推测身长的研究

Estimation of the height by measurement results of the body parts

探讨脚长、手长及相关部位与身长的相关关系。对 489名男女青年进行了脚长、脚掌宽、手全长、食指长、中指长、小指长和身长的测量 ,并将测量数据输入计算机中进行回归分析。结果表明 :男性各项指标与身长具有一定的线性关系 ,呈直线正相关。其直线回归方程包括 :(1) y =93 5 5 + 3 2 6x (用脚长推测身长 ) ;(2 ) y =130 79+4 18x (用脚掌宽推测身长 ) ;(3) y =76 15 + 5 33x (用手全长推测身长 ) ;(4)y =10 8 6 1+ 8 76x (用食指长推测身长 ) ;(5 )y =94 85 + 9 47x (用中指长推测身长 ) ;(6 ) y =12 0 79+ 8 6 8x (用小指长推测身长 )。女性手全长和中指长两项测量指标与身长具有一定的线性关系。其直线回归方程包括 :(1) y =119 86 + 2 44x (用手全长推测身长 ) ;(2 )y =12 9 89+ 4 0 8x (用中指长推测身长 )。女性的脚长、脚掌宽、食指长、小指长等 4项测量指标与身长的线性关系不明显 。

In order to study the relationship between the height and the measured results of body parts,the length of the foot,the width of the foot palm,the whole length of the hand,and the length of the forfinger,middle finger,little finger as well as the height of 489 young people were measured.The data was then analyzed by the digital computer.The results showed that the linear relationship existed between the height and the measurement results of six body parts mentioned above in males.The linear regression equations were as follows:(1)y=93 55x+3 26x(by the length of the foot);(2)y=130 79+4 18x(by the width of the foot palm);(3)y=76 15+5 33x(by the whole length of the hand);(4)y=108 61+8 76x(by the length of the forefinger);(5)y=94 85+9 47x(by the length of middle finger);(6)y=120 79+8 68x(by the length of the little finger).Also,the linear relationship existed between the height and the whole length of the hand and the length of the middle finger,The regression equations were as follows:(1)y=119 86+2 44x(by the whole length of the hand);(2)y=129 89+4 08x(by the length of the middle finger).There is not any linear relationship existed between the height and the measurement results of these rwo body parts as mentioned above.