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Revista Brasileira de Medicina do Esporte

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


GAMA, Zenewton André da Silva; DANTAS, Alexandre Vinícyus Ribeiro  and  SOUZA, Túlio Oliveira de. Influence of the time interval between stretching sessions on increased hamstring flexibility. Rev Bras Med Esporte [online]. 2009, vol.15, n.2, pp.110-114. ISSN 1517-8692.

CONTEXT: The optimization of flexibility training is related to the use of ideal stretching parameters. However, the time interval between sessions has been little investigated. OBJECTIVE: To verify if the variation in time interval between stretching sessions influences in flexibility gain. METHODOLOGY: Twenty-eight women, average age of 22.5 ± 1.8 years, were randomly distributed into three groups. Group 0X was the control and performed no stretching. Group 3X (n = 10) took part in three sessions per week (interval = 48 hours) and group 5X (n = 10) in five times (interval = 24 hours). Ten stretching sessions were applied (hold-relax) to the right hamstring. The measurement of active knee extension was performed using photometric analyses on AutoCAD® 2000 software. Statistical analysis was carried out with ANOVA and Newman-Keuls post hoc test for a significance level of p < 0.05. RESULTS: After 10 sessions, increased flexibility was identified in the experimental groups (p < 0.01), but with no difference between them. Group 3X significantly increased flexibility from the tenth day of the program (fifth session) and group 5X from the third day (third session). CONCLUSIONS: Stretching increases hamstring flexibility, regardless of the time between sessions (24 or 48 hours). Moreover, the interval between the sessions does not influence total flexibility gain. However, with five weekly stretching sessions, flexibility increases more rapidly than it does with three, suggesting that flexibility gain is session-dependent.

Keywords : proprioceptive neuromuscular facilitation; flexibility; stretching.

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