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Nutrición Hospitalaria

versión impresa ISSN 0212-1611

Resumen

RAMIREZ LECHUGA, J. et al. Effect of an 8-week aerobic training program during physical education lessons on aerobic fitness in adolescents. Nutr. Hosp. [online]. 2012, vol.27, n.3, pp.747-754. ISSN 0212-1611.  http://dx.doi.org/10.3305/nh.2012.27.3.5725.

Objective: To determine the effect of a high intensity aerobic training program of 8 weeks, developed during physical education classes, on the aerobic capacity of adolescents aged 15 to 18 years. Methods: A total of 84 adolescents (51 boys and 33 girls) participated in this study. The aerobic capacity (VO2max) was measured directly with a portable gas analyzer (K4b2, Cosmed) during the performance of the 20 Meters Shuttle Run Test (20mSRT). The sample was divided into 2 experimental groups (G2S and G3S) and 1 control group. The training program was composed of aerobic physical activity (75-80% VO2max.). The G2S developed 2 sessions per week while the G3S made 3. Results: The G2S increased VO2max (boys: from 55.7 to 56.6 ml/kg/min; girls: from 37.8 to 38.7 ml/kg/min; p < 0.001) and the number of stages in the 20mSRT (9.0% boys, p < 0.001; 20.0% girls, p < 0.001). The G3S also increased VO2max (boys: from 54.9 to 56.0 ml/kg/min; girls: from 36.0 to 38.7 ml/kg/min) and the number stages in the 20mSRT (10.4% boys, p < 0.001; 32.3% girls, p < 0.001). In G2S and G3s, girls showed greater improvement than boys. Conclusions: A high intensity aerobic training program developed during 8 weeks, 2 sessions per week, improves aerobic capacity of the students. An extra session of intense exercise for week is a greater improvement in girls, but do not produce such effects in boys.

Palabras clave : Aerobic capacity; VO2max; Adolescents; Physical education.

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