Efecto de un programa de fuerza y estiramiento, combinado o aislado, sobre la flexibilidad activa en educación física. Un estudio piloto

  1. Perera Zurita, Miguel Angel
  2. Mayorga-Vega, Daniel
  3. Merino-Marban, Rafael
Journal:
JPEHM: Journal of Physical Education and Human Movement

ISSN: 2659-5699

Year of publication: 2020

Issue Title: Journal of Physical Education and Human Movement

Volume: 2

Issue: 2

Pages: 6-13

Type: Article

DOI: 10.24310/JPEHMJPEHMJPEHM.V2I29847 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

More publications in: JPEHM: Journal of Physical Education and Human Movement

Abstract

Introduction. The purpose of this study was to examine the effects of a two-session-per-week strength and stretching program, on sit and reach score, among high-school students in the physical education setting. Methods. A sample of 75 high-school students (26 girls and 49 boys) aged 12-14 years from four classes were clustered and randomly assigned to a stretching group (n = 21), a strengthening group (n = 18), a strengthening + stretching group (n = 20) or a control group (n = 16). During physical education classes, the experimental students performed a 1-minute stretching, a 1-minute strengthening or a 1-minute strengthening + 1-minute stretching program twice a week a total of 20 weeks. Control students performed the same physical education classes, but they did not follow any strength and/or stretching program. Active flexibility (estimated by the classic sit-and-reach test) was assessed at the beginning and at the end of the intervention program. Results. The Wilcoxon test results showed that students that performed a combined strengthening and stretching program increased statistically significantly their active flexibility levels from pre-intervention to post-intervention (∆ = 1.8 ± 3.2 cm; p < 0.05). However, for students that performed an isolated) program and control group students statistically significant differences were not found (strengthening group, ∆ = 0.6 ± 0.7 cm; stretching group, ∆ = 0.3 ± 2.3 cm; control group, ∆ = 0.7 ± 1.5 cm; p > 0.05). Conclusions. Since in physical education many curricular contents need to be developed each academic year and the subject is also restricted by its limited curriculum time allocation, teachers could improve students’ flexibility combining stretching and strength workout. Therefore, in addition to the improvement of students’ flexibility levels, this intervention program might permit regular development of other physical education curricular contents. This knowledge could help and guide teachers to design programs that guarantee a feasible and effective development of flexibility in the physical education setting.

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