Weishaupt Michael A, Wiestner Thomas, Hogg Hermann P, Jordan Patrick, Auer Jörg A
Equine Hospital, Faculty of Veterinary Medicine, University of Zurich, Winterthurerstrasse 260, CH-8057 Zurich, Switzerland.
Vet J. 2004 Nov;168(3):304-11. doi: 10.1016/j.tvjl.2003.08.007.
The objective of this study was to establish representative treadmill ground reaction force (GRF) and interlimb co-ordination time data of clinically sound horses at the trot. It was anticipated that these normative standards would provide a reference data base against which lame horses could be compared. GRF-time histories were collected from 30 Warmblood riding horses with easy, wide natural gaits. Data were recorded of all four limbs simultaneously by the use of an instrumented treadmill. A total of 912 stride cycles per limb were analysed for force, time and spatial parameters and were averaged. The shape and amplitude of the treadmill force curves were very similar to force traces recorded with a stationary force plate. The horses showed a high degree of symmetry in all investigated parameters (95% reference interval of left-right asymmetry +/-1.8-6.8%). No significant differences were found between left and right mean values. Intra-individual coefficients of variance of the various parameters did not exceed 2.7%. Inter-individual coefficients of variance were 2.5-3.5 times larger than the respective intra-individual coefficients. An instrumented treadmill provides a number of decisive advantages, such as time-efficient data acquisition of all four feet simultaneously over successive strides, or the high regularity of the horse's gait pattern at controlled velocities, which allow the clinical assessment of locomotor performance of horses.
本研究的目的是建立临床健康马匹在小跑时具有代表性的跑步机地面反作用力（GRF）和肢体间协调时间数据。预计这些规范标准将提供一个参考数据库，用于与跛马进行比较。从30匹温血骑乘马中收集GRF时间历程，这些马具有轻松、宽阔的自然步态。使用装有仪器的跑步机同时记录所有四条腿的数据。对每个肢体总共912个步幅周期的力、时间和空间参数进行分析并求平均值。跑步机力曲线的形状和幅度与用固定测力台记录的力迹非常相似。在所有研究参数中，马匹表现出高度的对称性（左右不对称的95%参考区间为±1.8 - 6.8%）。左右平均值之间未发现显著差异。各个参数的个体内方差系数不超过2.7%。个体间方差系数比各自的个体内方差系数大2.5 - 3.5倍。装有仪器的跑步机具有许多决定性优势，例如在连续步幅中能高效地同时采集所有四只脚的数据，或者在控制速度下马匹步态模式具有高度规律性，这使得能够对马匹的运动性能进行临床评估。
