在跑步机上的纯血统马中,随着分级表面的激活肌肉的变化在的过程中发生了变化
Yuji Takahashi1, Toshiyuki Takahashi1, Kazutaka Mukai1
1Sports Science Division, Division of Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan.
PloS one
|June 14, 2024
概括
8%的上坡步显著减少了纯血犬的步伐时间,并增加了肌肉活化. 这种强烈的步态可以增强马的肌肉力量和推进力,以提高性能.
科学领域:
- 马类生物力学 马类生物力学
- 运动生理学 运动生理学
- 动物的运动 动物的运动.
背景情况:
- 是纯种血统训练和比赛的主要步态.
- 了解在各种表面上杆运动期间的肌肉活动对于优化训练方案至关重要.
研究的目的:
- 为了研究不同表面等级对时空参数和纯血动物在动过程中的肌肉激活的影响.
- 为了确定倾斜对马的运动和神经肌肉反应的影响.
主要方法:
- 七匹纯血统的马在跑步机上以10米/秒的速度,分别为-4%,0%,4%和8%.
- 使用部张力计和12个前肢肌肉的集成电肌图 (iEMG).
- 将iEMG值正常化为0%等级,并使用通用混合模型进行分析.
主要成果:
- 8%的分数显著减少了步伐的持续时间,主要是由于减少了摇摆的持续时间.
- 与0%级别相比,8%的上坡杆在立场和摆动阶段显著增加了多个肌肉的正常化iEMG.
- -4%和4%的等级显示iEMG值没有显著变化.
结论:
- 8%的上坡需要增加肌肉激活,并改变纯种犬的步伐机制.
- 虽然+/- 4%等级的影响最小,但8%等级可以作为加强马肌肉和增强推进力的宝贵工具.
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