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相关概念视频

Non-destructive Tests for Concrete Strength01:12

Non-destructive Tests for Concrete Strength

117
The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it...
117

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相关实验视频

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Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations
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用手持动力计测试的末端范围腿筋强度测试的可靠性和有效性.

Jakob Kristiansen1, Christina Eddy1, Stig Peter Magnusson1

  • 1Department of Physical and Occupational Therapy Bispebjerg Hospital.

International journal of sports physical therapy
|March 5, 2024
PubMed
概括

手持式动力表 (HHD) 提供了一种可靠和有效的方法来评估最大长度的腿筋强度,作为预防和康复伤害的异动力学测试的实际替代方案.

科学领域:

  • 生物力学 生物力学
  • 运动医学 运动医学
  • 康复科学 康复科学 康复科学

背景情况:

  • 评估腿筋强度对于康复和预防伤害至关重要.
  • 目前的方法,如异动力学测试,可能是资源密集型的.
  • 评估替代,可访问的工具是广泛临床应用所必需的.

研究的目的:

  • 为了确定手持式动力表 (HHD) 测量腿筋强度的可靠性和有效性.
  • 为了比较HHD强度评估在最大延长的位置与黄金标准的异动力学测试.
  • 建立HHD作为一个可行的工具来评估腿筋强度.

主要方法:

  • 对20名健康参与者进行了同度腿筋强度测试.
  • 用Biodex异动力学机器和手持式动力计 (HHD) 进行测量.
  • 测试在两个不同的场合重复进行,以评估可靠性.

主要成果:

  • 在HHD和Biodex测量之间观察到强烈的正相关性 (r=0.87).
  • 布兰德-阿尔特曼分析证实了两种测试方法之间的一致性.
  • HHD表现出优异的评价者内部可靠性 (ICC=0.91-0.93) 和中等到良好的评价者内部可靠性 (ICC=0.71-0.83).
关键词:
腿筋 腿筋 腿筋 腿筋手持式机动力测量仪可靠性 可靠性可靠性力量就是力量.有效性 有效性是有效性的.

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结论:

  • 手持式动力表 (HHD) 是一种可靠且有效的仪器,用于评估最大肌肉长度的腿筋强度.
  • 在临床环境中,HHD测试为异动力学动力学提供了一种具有成本效益和可访问性的替代方案.
  • 这种方法可以帮助监测康复进展,并确定恢复决策的力量缺陷.