马匹运动分析中皮肤位移误差的校正。

Correction for skin displacement errors in movement analysis of the horse.

作者信息

van den Bogert A J, van Weeren P R, Schamhardt H C

机构信息

Department of Veterinary Anatomy, University of Utrecht, The Netherlands.

出版信息

J Biomech. 1990;23(1):97-101. doi: 10.1016/0021-9290(90)90374-c.

DOI:10.1016/0021-9290(90)90374-c

PMID:2307697

Abstract

In movement analysis of the horse, large errors result from movements of the skin with respect to the underlying bones. A generally applicable, two-dimensional, method for correction of these skin-movement errors in kinematic data has been developed. It was tested on a kinematic analysis of the hindlimb in a walking pony. The results indicate that without correction for skin-movement errors, misreadings of up to 15 degrees in the knee angle and 30% in the moment arm of the gastrocnemius muscle can be expected.

摘要

在马的运动分析中，皮肤相对于其下骨骼的运动导致了较大误差。现已开发出一种普遍适用的二维方法，用于校正运动学数据中的这些皮肤运动误差。该方法在一匹行走的矮种马的后肢运动学分析中进行了测试。结果表明，如果不校正皮肤运动误差，预计膝关节角度的误读可达15度，腓肠肌力臂的误读可达30%。