Use this link to cite:
http://hdl.handle.net/2183/22803 Nivel de actividad física cardiosaludable en Educación Física en educación primaria: expectativas y algunas evidencias
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Moral Moreno, Luis
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Sportis, 2018, 4 (1):95-110 ISSN: 2386-8333
Type of academic work
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Abstract
[Resumen] El preocupante nivel de sedentarismo infanto-juvenil en España nos anima a identificar
posibilidades y proponer alternativas que permitan revertir esta situación. El estudio transversal
ex post facto, retrospectivo y comparativo consistió básicamente en identificar y comparar el
nivel de actividad física (AF) alcanzado en Educación Física por 43 niños y 37 niñas estudiantes
de 6º de Primaria (11,86±0,34 años) aleatoriamente seleccionados de 26 centros de la
Comunidad de Madrid, según el nivel recomendado. Para el análisis de la AF, se registró de
forma continuada la frecuencia cardiaca (FC) en las clases de EF de una semana escolar
mediante monitores Polar®, derivando de dicho registro la cantidad de tiempo invertido en un
esfuerzo de ≥50% FC de reserva (FCres) y equivalente a una AF cardiosaludable de moderada
a vigorosa intensidad (AFMV). Los principales resultados del análisis estadístico, cuyo nivel
de significación se estableció en p<0,05, mostraron que los sujetos acumularon en AFMV un
promedio de tiempo equivalente al 21,3±18,1% del tiempo de EF programado siendo similar
en los niños, 21,1±18,9%, y en las niñas, 21,5±17,5% (p=0,77). En la literatura se observa una
gran diversidad de resultados. No obstante, nuestros hallazgos son similares a los informados
en algunos estudios que, como el nuestro, muestran que el nivel de AF alcanzado es inferior al
recomendado: ≥50% del tiempo de EF. Los resultados muestran que los niños y niñas de la
muestra invirtieron en AFMV una similar proporción de tiempo de EF, un nivel de AF que,
además, es considerado insuficiente para generar beneficios en la salud cardiovascular.
Aunque es necesario seguir profundizando en este campo, los resultados sugieren revisar y
adaptar los actuales programas de EF escolar a la idiosincrasia de cada centro y su población escolar con vistas a incrementar el nivel de AF de los estudiantes
[Abstract] The high sedentary rate of children and youth in Spain encourages us to identify possibilities and propose alternatives to reverse this situation.The ex-post facto, retrospective and comparative cross-sectional study basically consisted of identifying and comparing the level of physical activity (PA) achieved in Physical Education (PE) by 43 boys and 37 girls 6th grade Primary schoolchildren (11.86 ± 0.34 years) randomly selected from 26 centers of the Community of Madrid, according to the recommended level. For the PA analysis, the heart rate (HR) was continuously recorded by means of Polar® monitors during the PE classes in a school week, deriving from the recorded HR data the amount of time spent in an effort of ≥50% HR reserve which is equivalent to a heart-healthy PA of moderate to vigorous intensity (MVPA). The main results of the statistical analysis, whose level of significance was established at p <0.05, showed that the subjects accumulated in MVPA an average time equivalent to 21.3 ± 18.1% of the programmed weekly PE time, being similar in boys, 21.1 ± 18.9%, and in girls, 21.5 ± 17.5% (p = 0.77).In the literature, a great diversity of results is observed. However, our findings are similar to some studies that, like ours, show that the level of PA reached by schoolchildren is lower than ≥50% of the PE time recommended. The results show that the boys and girls of the sample spent in MVPA a similar proportion of PE time, a level that, in addition,is considered insufficient to generate benefits in cardiovascular health. Although further research is necessary, the results suggest revising and adapting the current school PE programs to the idiosyncrasy of each school and its school population with a view to effectively increasing the PA level of the students
[Abstract] The high sedentary rate of children and youth in Spain encourages us to identify possibilities and propose alternatives to reverse this situation.The ex-post facto, retrospective and comparative cross-sectional study basically consisted of identifying and comparing the level of physical activity (PA) achieved in Physical Education (PE) by 43 boys and 37 girls 6th grade Primary schoolchildren (11.86 ± 0.34 years) randomly selected from 26 centers of the Community of Madrid, according to the recommended level. For the PA analysis, the heart rate (HR) was continuously recorded by means of Polar® monitors during the PE classes in a school week, deriving from the recorded HR data the amount of time spent in an effort of ≥50% HR reserve which is equivalent to a heart-healthy PA of moderate to vigorous intensity (MVPA). The main results of the statistical analysis, whose level of significance was established at p <0.05, showed that the subjects accumulated in MVPA an average time equivalent to 21.3 ± 18.1% of the programmed weekly PE time, being similar in boys, 21.1 ± 18.9%, and in girls, 21.5 ± 17.5% (p = 0.77).In the literature, a great diversity of results is observed. However, our findings are similar to some studies that, like ours, show that the level of PA reached by schoolchildren is lower than ≥50% of the PE time recommended. The results show that the boys and girls of the sample spent in MVPA a similar proportion of PE time, a level that, in addition,is considered insufficient to generate benefits in cardiovascular health. Although further research is necessary, the results suggest revising and adapting the current school PE programs to the idiosyncrasy of each school and its school population with a view to effectively increasing the PA level of the students
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Atribución-NoComercial-SinDerivadas 3.0 España


