人体赤足形态特征接触面积与身高体质量相关性统计分析

背景:当前法医人类学、人体工程学及足迹学研究均发现足部各信息(如足长、足宽等)与身高、体质量呈现出显著相关性,但国内外文献对有关赤足形态特征接触面积与人体身高、体质量的量化研究尚不完善。目的:分析人体赤足形态特征接触面积与身高、体质量之间相关性,创新法医人类学、人体工程学等相关学科理论体系,为利用赤足足迹进行人身个体识别提供参考。方法:采用足迹学传统平面足迹油墨捺印方法进行样本收集,再利用MATLAB数字软件对足迹对象进行图像处理。测试对象为随机抽取身高分布在165-190 cm之间健康的青壮年男性100名,记录其身高、体质量,获取正常行走步态下的赤足形态特征接触面积并进行统计分析。试验的实施符合《赫尔辛基宣言》和中国刑事警察学院对人体研究的相关伦理要求。结果与结论:在健康青壮年男性正常弓类型(排除中断弓和膨胀弓两种弓区类型)条件下:①人体赤足形态特征接触面积与身高、体质量之间均呈显著正相关(P<0.01),其与人体身高之间关系可被应用于法医人类学、人体工程学、足迹学的身高分析;②身高相较于体质量而言,对人体赤足形态特征接触面积的影响更加显著,更具有直接相关性。

Correlation of human barefoot morphological characteristics contact area with body height and mass:a statistical analysis

BACKGROUND: Currently, forensic anthropology, ergonomics and footprint studies have all found that there is a significant correlation between footinformation (such as foot length and foot width) and body height and mass. However, there is no enough quantitative research on barefoot morphologicalcharacteristics contact area (BMCCA) as well as human body height and mass.OBJECTIVE: To analyze the correlation between BMCCA and body mass and height, and to innovate the theoretical systems of forensic anthropology andergonomics, thereby providing reference for individual recognition by barefoot footprint.METHODS: Samples were collected using traditional plane footprint ink printing method, and digital software MATLAB was then used for image processing.A total of 100 healthy young men with a height distribution between 165-190 cm were randomly selected as subjects. Body height and mass were recorded.BMCCA was obtained under normal walking for statistical analysis. The implementation of the study complied with the Declaration of Helsinki and the relevantethical requirements of Criminal Investigation Police University of China.RESULTS AND CONCLUSION: For healthy young men with normal arch of the foot (excluding interrupted arch of the foot and expanded arch of the foot), thereis a significant positive correlation between BMCCA and height and mass (P < 0.01). The relationship between BMCCA and human body height can be appliedfor height analysis in forensic anthropology, ergonomics, and footprint. Compared with body mass, body height has a more significant impact on BMCCA and ismore directly related.