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PREDICTION MODEL OF ONE REPETITION MAXIMUM (1RM) BASED ON ANTHROPOMETRICAL CHARACTERISTICS ON MALE AND FEMALE
Anthropometric Evaluation
Free Fat Mass
Anthropometry
Resistance Training
Afiliación
Universidade Federal do Rio de Janeiro. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Alimentos e Nutrição. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Fernandes Figueira. Departamento de Alimentos e Nutrição. Rio de Janeiro, RJ, Brasil.
Resumen en ingles
Prediction model of one repetition maximum (1RM) based on
anthropometrical characteristics on male and female. Brazilian Journal of Biomotricity. v. 7, n. 1, p. 43-52,
2013. The goal of the present study was to determine a model for predicting one maximum repetition (1RM)
based on anthropometrical characteristics for exercises leg abduction (LA) and leg curl (LC) on males and
females. Forty-eight volunteers trained in strength training were submitted to an anthropometric evaluation,
followed by a 1RM test for exercises LA and LC. After resting for at least 48h, they randomly underwent
either a new 1RM. The model’s for predicting 1RM strength were obtained by multiple linear regression for
LA and LC exercises assuming as independent variables: fat-free mass and gender. The best model’s
explained 66% and 78% of the known variance and have a standard error of estimate of 15.5% and 15.4% of
the measured 1RM for LA and LC, respectively. The measured 1RM were 54.4 ± 14.3 Kg and 54.0 ± 17.4 Kg
and predicted 1RM were 54.4 ± 11.8 Kg and 54.0 ± 15.4 Kg, with the difference between achieved and
predicted 1RM in mean 0.0 ± 8.3 Kg and 0.0 ± 8.1 Kg for LA and LC, respectively (P < 0.01). The obtained
model’s showed an acceptable validity, and further can be currently used as a tool for predicting the 1RM
workload.
Palabras clave en ingles
Strength TrainingAnthropometric Evaluation
Free Fat Mass
Anthropometry
Resistance Training
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