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首页> 外文期刊>Belgian Journal of Zoology >Variability of the proximal phalanx in warmblood and coldblood horses - morphological and structural analyses
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Variability of the proximal phalanx in warmblood and coldblood horses - morphological and structural analyses

机译：温血马和冷血马近端指骨的变异性-形态和结构分析

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摘要

Anatomical shape as well as bone geometry are important factors for the mechanical properties of stiffness and strength in bones. In the light of this statement, the primary aim of the study was to evaluate the variable forms of the proximal phalanx in different types of horses. Multivariate analyses of data from 81 horses revealed that the proximal phalanx has diverse spatial forms. Differences were observed particularly in the length of the bone and the breadth of its diaphysis. In horses with lighter morphotype, the phalanx is significantly narrower in its middle section. In the second stage of the study, geometrical parameters of the phalanx were analysed with the use of peripheral quantitative computed tomography (pQCT). Tomographic analysis was conducted at three levels:at 15%, 50% and 85% of the bone length. Based on the analysis, we concluded that most of the geometric parameters have higher values in coldbloods but only at the mid-diaphysis (50%) and at 85% of the bone length. Moreover, in coldblood horses, higher strength of the phalanx at these levels, expressed by Strength Strain Index, was observed. We did not observe any significant differences between warmblood and coldblood horses in the metaphyseal proximal region which is located at 15 % of the bone length.
机译：解剖形状以及骨骼几何形状是影响骨骼刚度和强度的机械特性的重要因素。根据这种说法，本研究的主要目的是评估不同类型的马中近节指骨的可变形式。来自81匹马的数据的多变量分析显示，近节指骨具有多种空间形式。特别是在骨头的长度和其骨干的宽度上观察到差异。在形态较轻的马中，指骨的中段明显较窄。在研究的第二阶段，使用外围定量计算机体层摄影术（pQCT）对趾骨的几何参数进行了分析。层析成像分析分为三个级别：分别为骨长的15％，50％和85％。根据分析，我们得出结论，大多数几何参数在冷血中具有较高的值，但仅在中骨干（50％）和骨长的85％处具有较高的值。此外，在冷血马中，以强度应变指数表示的指骨在这些水平上的强度更高。我们在干warm端近端区域（位于骨长的15％）中未观察到温血和冷血马之间的任何显着差异。

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