Assessment and comparison of the effects of two techniques on hamstring flexibility
DOI:
https://doi.org/10.1590/0103-5150.027.004.AO10Abstract
Introduction: There are several stretching techniques that help increase flexibility, however, there are still questions regarding which method leads to the most effective gains. Objectives: To assess and compare the effects of two stretching techniques, namely proprioceptive neuromuscular facilitation (PNF) and static stretching on the flexibility of hamstring muscles of young women. Methods: The study sample consisted of 45 young women, mean age 20.45 (± 1.66),assigned to one of three groups: static stretching group (SSG, n = 15), proprioceptive neuromuscular facilitation group (PNFG, n = 15) and control group (CG, n = 15). Both SSG and PNFG carried out three weekly stretching sessions over a four-week period. The sit and reach and popliteal angle tests were used at the beginning and end of the intervention. Normally distributed data were analyzed using Student’s t-test, whereas data with non-normal distribution were analyzed using the Wilcoxon test, to compare initial and end measurements for each technique. Finally, we used the Mann-Whitney U test to compare both techniques with each other. A significance level of 5% (p < 0.05) adopted. Results: There was a significant increase in hamstring flexibility when analyzing the assessments and reassessments of both stretching protocols. Conclusions: Both techniques were effective in increasing hamstring flexibility and there were no significant differences to indicate which one is better in increasing the flexibility of this muscle group.Downloads
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Tavella Navega, M., Paleari, B., & Morcelli, M. H. (2017). Assessment and comparison of the effects of two techniques on hamstring flexibility. Fisioterapia Em Movimento (Physical Therapy in Movement), 27(4). https://doi.org/10.1590/0103-5150.027.004.AO10
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