Acute effect of the proprioceptive neuromuscular facilitation method on vertical jump performance
Nogueira, Carlos J.
Galdino, Leonardo A. dos Santos
Vale, Rodrigo Gomes de Souza
Mello, Danielli Braga de
Dantas, Estélio Henrique Martin
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Study aim: To assess the acute effect of the proprioceptive neuromuscular facilitation method (PNF) on the explosive strength of lower extremities of male soldiers. Material and methods: A group of 26 male soldiers performed two exercise sessions on different days, in a random order: without stretching (control exercise) or by applying PNF (experimental exercise). Before and after the PNF (0, 10, 20, 40 and 60 min), 3 vertical counter-movement jumps on a tensometric platform were executed. Results: CMJ results in the experimental sessions were significantly (p<0.001) decreased after the PNF exertion in relation to the initial (pre-session) value. No significant post-session decreases were found in the control exercise. However, the differences between the experimental and control results were significant (p<0.05) only immediately after the PNF exertion and 10 min later. Conclusion: The PNF method negatively affects the vertical jump performance and, thus, ought not to be used as part of warm-ups.