Test-retest reliability of knee extensors endurance test with elastic resistance

Jaqueline Santos Silva Lopes, Jéssica Kirsch Micheletti, Aryane Flauzino Machado, Larissa Rodrigues Souto, Heloísa Paes de Lima, Franciele Marques Vanderlei, Jayme Netto Junior and Carlos Marcelo Pastre

PLOS ONE, 2018, vol. 13, issue 8, 1-12

Abstract: Background: Reliable clinical tests capable of measuring resistance are important tools for rehabilitation. One alternative that has recently increased in popularity is the use of elastic tubes, which stand out for being easy to handle, low cost, practical, and feasible. Objective: Analyze the test-retest reliability of the knee extensors muscle fatigue resistance test (FRT) with elastic tubes. Methods: A total of 116 healthy young males, aged between 18 and 30 years old, participated in the study. Participants performed three pre-test stages: orientation, load presentation, and familiarization with equipment, lasting two weeks. Subsequently, they performed the FRT on two occasions (test and retest), with an interval of seven days. The reliability analyzes were performed using the intraclass correlation coefficient (ICC) with 95% confidence interval and typical measurement error (TME), also expressed as coefficient of variation (CV%). Results: The findings regarding the reliability of the test demonstrated satisfactory values (time: ICC = 0.66; 95%CI [0.50; 0.76]; CV(%) = 9.34; repetition: ICC = 0.61; 95%CI [0.46; 0.73], CV(%) = 13.66; rhythm: ICC = 0.52; 95%CI [0.35; 0.67], CV(%) = 10.29. Conclusion: From the findings presented, it is concluded that the proposed clinical test with elastic tubes demonstrates evidence of acceptable values.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0203259

DOI: 10.1371/journal.pone.0203259

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