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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692On-line version ISSN 1806-9940


BARROS, Marcos André Pereira de; SPERANDEI, Sandro; SILVEIRA JUNIOR, Paulo César Soter  and  OLIVEIRA, Carlos Gomes de. Reproducibility in the maximal repetition test in the lat pulldown exercise for men. Rev Bras Med Esporte [online]. 2008, vol.14, n.4, pp.348-352. ISSN 1517-8692.

OBJECTIVE: To verify the test-retest 1RM reproducibility in the lat pulldown exercise. METHODS: Twenty-six healthy and physically actives men (25 ± 3 years, 76.8 ± 9.86 kg, 177 ± 5.3 cm, 12.5 ± 4.25 % body fat) signed an informed consent before participate in this study. The data was collected in two visits, 48-72 hours apart. During the first visit, anthropometric data was measured and progressive 1RM test was performed. For each attempt progressive loads of 5 kg were added until the fail, when the load was reduced in 3 kg and a last attempt was performed. A five-minute rest was allowed before each attempt. During the second visit, the 1RM test was repeated following the same protocol. The Maximum loads of each day were compared by paired t-test to systematic error and limits of agreement technique to random error was employed. RESULTS: The mean error found was 2.9 ± 2.48 kg, being significantly different between days (p<0.00001). The error 95% limit of agreement was between -1.9 and 7.8 kg. CONCLUSION: This study showed a tendency to an increase in the second-day load, which when planning and analyzing strength training studies using 1RM test.

Keywords : reproducibility; strength training; limits of agreement.

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