Absolute reliability of five clinical tests for assessing hamstring flexibility in professional futsal players |
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Authors: | Francisco Ayala Pilar Sainz de Baranda Mark De Ste Croix Fernando Santonja |
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Affiliation: | 1. Department of Health Sciences and Sports, Catholic University of San Antonio, Murcia, Spain;2. Faculty of Sport and Physical Education of Toledo, University of Castilla La Mancha,Spain;3. Faculty of Sports, Health and Social Care, University of Gloucestershire, Gloucester, United Kingdom;4. Faculty of Medicine, University of Murcia, Spain;5. Department of Traumatology, V. de la Arrixaca University Hospital, Murcia, Spain |
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Abstract: | ObjectivesTo examine the absolute reliability of five methods for estimating hamstring flexibility in professional futsal players.DesignAbsolute reliability laboratory study (k = 4).MethodsA total of 46 male futsal players (172.9 ± 4.5 cm; 69.7 ± 7.5 Kg) completed the study. All participants performed each measurement test twice in a randomized order on four different occasions. Absolute reliability was examined through typical percentage error, percentage change in the mean and intraclass correlations (ICC) as well as their respective confidence limits.ResultsThe findings showed high reliability for the sit and reach test (SRT) (4.48% typical error; 0.84% change in the mean, 0.95 ICC), toe touch test (TT) (5.89% typical error; 2.31% change in the mean, 0.89 ICC) and back-saver sit and reach test (BSSR) (3.73% typical error; 0.51% change in the mean, 0.97 ICC) compared to the passive straight leg raise test (PSLR) (7.6% typical error; 8.86% change in the mean, 0.77 ICC) and modified sit and reach test (MSR) (11.87% typical error; 7.64% change in the mean, 0.84 ICC) which showed moderate reliability.ConclusionsAn observed change larger than 6.72%, 7.55% and 5.59% for baseline SRT, TT and BSSR scores respectively would indicate that a real improvement in hamstring flexibility has occurred. In addition, the clinical reliability of PSLR and MSR are questioned and should be re-evaluated in future research studies. |
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