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MHSalud

On-line version ISSN 1659-097X

Abstract

SORIANO-FERRIZ, Beatriz  and  ALACID, Fernando. Flexibility Programs and Exercises Within Physical Education Classes for Schoolchildren, and their Effect on the Improvement of Hamstring Extensibility: A Systematic Review. MHSalud [online]. 2018, vol.15, n.1, pp.1-12. ISSN 1659-097X.  http://dx.doi.org/10.15359/mhs.15-1.1.

This scientific article aimed to consider the existing scientific literature on the effects that the programs and stretching exercises that are part of the Physical Education classes on the extensibility of the hamstring musculature produce in primary school children. We searched five electronic databases in the period 2007-2017. Twenty-two articles were found, only twelve were analyzed fulfilling the inclusion criteria. From the manual search of the bibliographic references, three more were added, with a total of fifteen articles included. The results indicated that it is possible to develop hamstring extensibility in school children through programs and stretching exercises in Physical Education classes. The scores on the tests improved significantly in the experimental groups, but not in the control groups. The programs and the exercises can be carried out in the warm-up phase and in the return to calm, being more effective in this second phase. A stretch volume between 4-7 minutes and 2-4 classes per week obtain statistically significant improvements in levels of extensibility. Up to one minute of volume causes an increase. After five weeks of detraining, the levels decreased. Physical Education professionals should include programs and stretching exercises in their classes to improve hamstring extensibility in school children. The increase in the range of movement is related to the effectiveness of sports practice, the reduction of low back pain and alterations in the rachis, and the prevention of injuries.

Keywords : physical education; schoolchildren; flexibility.

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