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Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
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释放潜力和优化青少年滚轮滑冰的表现通过一个结构化的炼计划 - 一个随机对照试验试验.

Sonakshi Sehgal1, Aksh Chahal2, Vandana Esht3

  • 1Department of Physiotherapy, Career Point University, Kota, India.

BMC sports science, medicine & rehabilitation
|September 22, 2023
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概括
此摘要是机器生成的。

与标准体育相比,为期四周的以平衡,敏捷性和速度为重点的运动计划显著提高了年轻男子滑冰运动员的滚轮滑冰表现和体能. 这种有针对性的训练可以提高运动能力.

关键词:
敏捷性 t 试验箭头改变方向的测试试验线性速度测试试验 线性速度测试试验体育教育是体育教育的一部分.星际之旅平衡测试 星际之旅平衡测试

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科学领域:

  • 运动科学 运动科学 运动科学
  • 运动生理学 运动生理学
  • 发展运动技能的发展.

背景情况:

  • 运动能力受到运动技能增强的动态影响.
  • 年轻的男性滑板运动员的表现取决于特定的身体属性.

研究的目的:

  • 为了研究为期四周的量身定制运动计划对滚轮滑冰天赋的影响.
  • 评估该计划对年轻男性滑板车运动员整体体力状的影响.

主要方法:

  • 30名男性滑冰运动员 (11-14岁) 被随机分配到实验组 (n=15) 或对照组 (n=15).
  • 实验组进行了为期四周的平衡,敏捷和速度练习计划;对照组从事体育训练.
  • 测量了滑冰表现 (线性速度测试),平衡 (恒星探险平衡测试),敏捷性 (敏捷性t测试) 和速度 (箭头改变方向的速度测试).

主要成果:

  • 在线速度测试,敏捷性t测试和箭头方向变化速度测试中,在两组中都观察到显著的改善 (p<0.05).
  • 与对照组 (p<0.05) 相比,实验组在这些测试中表现得更好 (科恩d 0.8-1.3).
  • 资产负债表的改善 (恒星出行资产负债表测试) 是有限的,并且在各组之间没有显著差异.

结论:

  • 一个短期的,结构化的炼计划显著提高了年轻的男子滑冰运动员的滑冰天赋,敏捷性和速度.
  • 有针对性的训练干预措施显示出在这个人口群体中提高运动表现的潜力.
  • 这些发现强调了除了一般体育教育之外,专注于特定技能培训的重要性.