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首页> 外文期刊>Physiotherapy theory and practice >Correlation between the 8-repetition maximum test and isokinetic dynamometry in the measurement of muscle strength of the knee extensors: A concurrent validity study
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Correlation between the 8-repetition maximum test and isokinetic dynamometry in the measurement of muscle strength of the knee extensors: A concurrent validity study

机译：8次最大重复试验与等速测力法在膝伸肌力量测量中的相关性：一项并行效度研究

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摘要

The 8-repetition maximum test has the potential to be a feasible, cost-effective method of measuring muscle strength for clinicians. The purpose of this study was to investigate the concurrent validity of the 8-repetition maximum test in the measurement of muscle strength by comparing the 8-repetition maximum test to the gold standard of isokinetic dynamometry. Thirty participants (15 males and 15 females, mean age = 23.2 years [standard deviation = 1.0]) underwent 8-repetition maximum testing and isokinetic dynamometry testing of the knee extensors (at 60, 120, and 240 degrees per second) on two separate sessions with 2-3 days between each mode of testing. Linear regression was used to assess the validity by comparing the findings between 8-repetition maximum testing and isokinetic dynamometry testing. Significant correlations were found between the 8-repetition maximum and isokinetic dynamometry peak torque at each testing velocity (r = 0.71-0.85). The highest correlations were between the 8-repetition maximum and isokinetic dynamometry peak torques at 60 (r = 0.85) and 120 (r = 0.85) degrees per second. The findings of this study provide supportive evidence for the use of 8-repetition maximum testing as a valid, alternative method for measuring muscle strength.
机译：最多进行8次重复测试可能是一种可行的，具有成本效益的方法，可为临床医生测量肌肉力量。这项研究的目的是通过将8次重复最大测试与等速测功的金标准进行比较，研究8次重复最大测试在肌肉力量测量中的同时有效性。 30名参与者（男15名，女15名，平均年龄= 23.2岁[标准差= 1.0]）分别两次进行了8次最大重复试验和膝伸肌的等速测力测试（分别为60、120和240度）每种测试模式之间的间隔为2-3天。通过比较8次重复最大试验和等速测功试验之间的发现，使用线性回归来评估有效性。在每个测试速度下，最大8次重复最大值与等速测功峰值扭矩之间存在显着相关性（r = 0.71-0.85）。最高的相关性是在每秒60度（r = 0.85）和120度（r = 0.85）的8次重复最大值和等速测功峰值扭矩之间。这项研究的发现为使用8次重复最大测试作为一种有效的替代方法来测量肌肉力量提供了支持性证据。

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