编织杆性能期间的步行风格会影响敏捷犬的四肢动力学
Charlotte Ramsey1, Roberta Blake1
1School of Agriculture, Animal and Environmental Sciences Anglia Ruskin University Writtle UK.
Veterinary record open
|March 2, 2026
概括
狗敏捷犬在编织杆表演期间表现出四肢不对称性,外肢承受更高的力和更长的立场时间. 跳跃步态 (FFH) 显示出更高的峰值力,引发了对长期狗健康的担忧.
科学领域:
- 狗的生物力学 狗的生物力学
- 运动科学 运动科学
- 兽医整形医学 兽医整形医学
背景情况:
- 狗灵活性是一种高要求的运动,具有受伤风险.
- 编织杆障碍物需要独特的,复杂的步态.
- 这项研究调查了编织杆性能期间的力量和立场时间.
研究的目的:
- 为了评估狗前肢和后肢在编织杆性能期间的动力参数 (峰值力,峰值垂直力,垂直冲动,姿势时间).
- 为了比较三个常见的前肢步行变化中的这些参数:前脚单步后双 (FFSS/RD),双步 (FFDS) 和跳跃 (FFH).
主要方法:
- 十七只经验丰富的敏捷犬进行了一组六个比赛标准编织杆.
- 使用两个压力传感步道收集动力数据.
- 进行了统计分析,以比较步态变化.
主要成果:
- 与内肢相比,外肢始终显示出明显更高的峰值垂直力,垂直冲动和姿态时间.
- 与FFDS和FFSS/RD相比,跳跃 (FFH) 步态导致前肢和后肢的峰值垂直力显著增加.
- 与FFH和FFDS相比,FFSS/RD步态表现出较高的姿态时间和前肢的垂直冲动.
结论:
- 在编织杆表演期间存在明显的四肢不对称性,外部四肢负荷增加.
- 观察到向外后肢重分配负荷的趋势,在FFSS/RD步态中最明显.
- FFH步态表现出较低的立场时间和更高的峰值力,引发了人们对敏捷犬的潜在长期肌肉骨影响的担忧.
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