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首页> 外文期刊>Isokinetics and exercise science >Reproducibility for isometric and isokinetic maximum knee flexion and extension measurements using the IsoMed 2000-dynamometer
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Reproducibility for isometric and isokinetic maximum knee flexion and extension measurements using the IsoMed 2000-dynamometer

机译：使用IsoMed 2000测力计进行等距和等速最大膝关节屈伸测试的可重复性

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摘要

The present study was conducted to evaluate the relative and absolute reproducibility of the IsoMed 2000-dynamometer in measuring Peak Torque (PT) during maximum isometric and isokinetic (60 and 120deg/s) knee flexion and extension. Thirty four physically active male subjects (mean age: 23.2 years) were measured in three sessions (T1-T3), 48-72 h apart. Repeated measures analysis of variance (ANOVA) with Bonferroni post hoc adjustments revealed significant systematic errors for isokinetic flexion measurements with mean values on the second and third visit being around 3-5% higher than the corresponding values obtained in the first visit. Intraclass correlation coefficients (ICC 2,1) of 0.90-0.98 and 0.94-0.98 combined with values of standard error of measurement (SEM) of 5.5-9.1 and 4.0-9.0 Nm were found for T1-T2 and T2-T3, respectively. Based on the systematic errors found for flexor measurements and a clear improvement in reproducibility parameters from T1-T2 to T2-T3 for nearly all measurements, we recommend the use of a familiarisation session prior to actual testing.
机译：进行本研究以评估IsoMed 2000测力计在最大等距和等速（60和120deg / s）膝盖屈伸过程中的峰值扭矩（PT）的相对和绝对再现性。在间隔48-72小时的三个时段（T1-T3）中测量了34位身体活跃的男性受试者（平均年龄：23​​.2岁）。进行Bonferroni事后调整的方差重复测量（ANOVA）分析显示，等速屈曲测量的系统误差显着，第二次和第三次就诊的平均值比第一次就诊得到的平均值高约3-5％。发现T1-T2和T2-T3的类内相关系数（ICC 2,1）分别为0.90-0.98和0.94-0.98，再加上标准测量误差（SEM）值为5.5-9.1和4.0-9.0 Nm。基于针对屈肌测量发现的系统误差以及几乎针对所有测量的从T1-T2到T2-T3的可重复性参数的明显改善，我们建议在实际测试之前使用熟悉的课程。

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