Hjertén G, Drevemo S
Department of Anatomy and Histology, Swedish University of Agricultural Sciences, Uppsala.
J Biomech. 1994 Aug;27(8):997-1004. doi: 10.1016/0021-9290(94)90216-x.
The initial forelimb loading of a horse trotting at 3.7 ms-1 on a treadmill was studied by use of an instrumented shoe, accelerometers and high-speed cinematography. At the beginning of the stance phase the forelimb was loaded successively from the hoof. This is suggested to be an important factor for effective shock force absorbency in the extremities. Shearing forces may appear in the carpus before the onset of the longitudinal loading of the limb. These forces are proposed to depend on speed, locomotion pattern and the friction and hardness of the surface. It is suggested that shearing forces may be of importance for lameness, especially on surfaces with high friction.
利用仪器化蹄铁、加速度计和高速摄影技术，研究了一匹在跑步机上以3.7米/秒速度小跑的马的初始前肢负荷情况。在站立阶段开始时，前肢从蹄部开始依次承受负荷。这被认为是四肢有效吸收冲击力的一个重要因素。在肢体纵向负荷开始之前，腕关节处可能会出现剪切力。这些力被认为取决于速度、运动模式以及表面的摩擦力和硬度。有人提出，剪切力可能对跛行很重要，尤其是在高摩擦表面上。
