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Motriz: Revista de Educação Física
On-line version ISSN 1980-6574
TIGGEMANN, Carlos Leandro et al. The reliability of the one maximum repetition in sedentary, active and strength-trained subjects. Motriz: rev. educ. fis. [online]. 2011, vol.17, n.4, pp.700-707. ISSN 1980-6574. http://dx.doi.org/10.1590/S1980-65742011000400015.
The aim of the study was to verify the reliability of one maximum repetition (1-RM) in three different groups, according levels of physical fitness. The sample was composed for thirty subjects (aged 18 to 34 years old) divided in three groups with ten subjects each: sedentary (SG), physical active (PAG) and strength-trained (STG). The subjects were submitted to two familiarization sessions and two sessions of maximum strength test (1-RM1 and 1-RM2) at the following exercises: bench press and 45º leg press. The comparison between 1-RM values was made by two-way ANOVA (test and group) and association between both by intraclass coefficient correlation (p ≤ 0.05). Data presented high correlation values between both tests (from 0.922 to 0.997; p < 0.001), however, significant differences (p < 0.05) was observed between 1-RM1 and 1-RM2 at bench press exercise in SG (56.40 ± 8.00 kg e 57.60 ± 7.89 kg, respectively), PAG (68,80 ± 9,26 kg e 69,40 ± 8,78 kg, respectively) and STG (87.20 ± 19.94 kg e 88.60 ± 19.86 kg, respectively), as well in the leg press in SG (222,5 ± 38,24 kg e 229,50 ± 38,55 kg, respectively), PAG (238.50 ± 26.25 kg e 244.00 ± 24.70, respectively) and STG (321.50 ± 46.19 kg e 336.40 ± 40.44 kg, respectively). It can be concluded that the subject’s level of physical fitness does not appear to be a critical behavior at 1-RM reliability.
Keywords : Ength training; 1-RM test; Level of physical fitness.