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Motricidade

versão impressa ISSN 1646-107X

Resumo

CESAR, Eurico Peixoto et al. Acute effect of static stretching on dynamic muscular strength on bench press exercise at two different joint angles. Motri. [online]. 2015, vol.11, n.3, pp.20-28. ISSN 1646-107X.  https://doi.org/10.6063/motricidade.2890.

The objective of the study was to determine the acute effects of static stretching (SS) on the range of motion (ROM) levels of the shoulder girdle and on 10 repetition maximum (10-RM) on the bench press exercise in two joint angles. Eleven male subjects (28.32 ± 5.4 years; 1.73 ± 0.1 m; 72.1 ± 15.3 kg) were randomly assigned to a control (CC - no stretching) and experimental (two sets of 30 s of passive static stretching for the chest and the triceps) conditions. The shoulder girdle ROM during horizontal abduction of the shoulder was analyzed measure with photogrammetry and analyzed using an angular dimension tool from CorelDRAW®. The 10-RM was performed in a free bar bench press in two different joint angles (total range of motion or 90° of elbow flexion). The reliability of shoulder girdle ROM and 10-RM at 90° and total range were high (R> 0.95).  A two-way ANOVA with repeated measures for both factors with post-hoc Bonferroni test showed a significant interaction with increase in ROM (p 0.029) after SS. No significant differences were found for the others variables. It was concluded that a reduced static stretching routine was able to increase acute ROM levels without impairing dynamic strength performance at different joint angles.

Palavras-chave : range of motion; employee performance appraisal; resistance training.

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