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准确的指令和对垂直和水平力组件的考虑增加了90:20同位数后链测试的有效性和可靠性

Dominic Michael Rasp¹, Florian Kurt Paternoster¹, Jan Kern²

¹Biomechanics in Sports, Technical University of Munich, Munich, Bavaria, Germany.

|October 28, 2024

概括

为了提高腿筋强度评估,90:20同位数后链测试 (90:20 IPCT) 得到了新的指令和变量. 这种修改显著增加了测试的测试.

科学领域:

生物力学生物力学
运动医学运动医学
人类运动科学科学人类运动科学

背景情况:

腿筋损伤很常见,与腿筋强度降低有关.
90:20同度后链测试 (90:20 IPCT) 是评估腿筋强度的有效方法,但缺乏验证.
原始的90:20 IPCT指令具有可变性,影响测试可靠性和有效性.

研究的目的:

为了验证和提高90:20 IPCT的可靠性.
引入和评估90:20 IPCT的新指令和变量.
为了提高腿筋强度测量的准确性,使用90:20 IPCT.

主要方法:

评估了23名体育学生的腿筋力量,使用90:20 IPCT与原始和修改的说明 (垂直与垂直和水平力行使).
计算的垂直力 (Fz_V,Fz_VH),结果力 (Fres_VH) 和扭矩 (M_F_ortho_VH).
根据金标准动力测量验证,并通过重复测量 (ICC,CVs) 评估可靠性,比较肌肉活动 (大腿直肠,大腿两,半,大腿).

主要成果:

新的指令和变量 (Fz_VH,Fres_VH,M_F_ortho_VH) 与原来的指令和变量 (平均r = 0.770.85) 相比,显示出更高的有效性 (平均r = 0.70).
新方法的可靠性同样好或更好 (ICCs: 0.870.94; CVs: 4.14.7%) 与原始方法 (ICC: 0.91; CV: 5.6%) 相比.
在原始和新的90:20 IPCT指令之间没有观察到肌肉激活的显著差异.

结论:

增强的90:20 IPCT,特别是使用应用扭矩 (M_F_ortho_VH),为腿筋强度评估提供了更好的可靠性和有效性.
修改后的说明和变量为临床医生和研究人员提供了更精确,更可靠的工具.
这种经过验证的90:20 IPCT可以帮助识别腿筋软弱并指导康复策略.

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