La Actividad Física Protege de la Obesidad a los Escolares Genéticamente Predispuestos

• Noemí López Ejeda ^[1] ; Jesús Román Martínez ^[1] ; Antonio Villarino ^[1] ; María Dolores Cabañas ^[1] ; Marisa González Montero de Espinosa ^[1] ; Luis Miguel López Mojares ^[2] ; Juan Francisco Romero Collazos ^[1] ; Consuelo Prado ^[1] ; Ana Alaminos ^[1] ; María Dolores Marrodán ^[1]
  1. [1] Universidad Complutense de Madrid

     Universidad Complutense de Madrid

     Madrid, España

     
  2. [2] Universidad Europea de Madrid

     Universidad Europea de Madrid

     Madrid, España

     
• Localización: Kronos: revista universitaria de la actividad física y el deporte, ISSN 1579-5225, Vol. 19, Nº. 1, 2020, págs. 2-2
• Idioma: español
• Títulos paralelos:
  • Physical Activity Protects Genetically Predisposed Schoolchildren from Obesity
• Enlaces
  • Texto completo
• Resumen
  • español

    Se analizó el perfil antropométrico y la composición corporal en 212 escolares españoles (10,81 ± 1,67 años de edad), junto a su nivel de actividad física y sedentarismo. Además se calculó su puntuación de riesgo genético para la obesidad a partir de 10 SNPs. Se constató que entre los escolares con perfil genético de mayor predisposición a la obesidad (RG >6), el IMC promedio de los considerados “activos” (más de 60 minutos diarios) fue de 18,44 ± 2,62 Kg/m2, frente al 21,46 ± 3,70 de los no activos. El %GC, también varió entre el 26,14 ± 7,19 de los primeros y el 28,25 ± 6,69 de los segundos. Los escolares menos sedentarios (≤ 2h/día) presentaron un IMC más bajo que los más sedentarios (>2 h/día): 18,73 ± 6,56 Kg/m2 frente a 20,79 ± 3,87 respectivamente. El %GC varió entre 26,41 ± 7,19 y el 27,72 ± 7,04 entre el primer y segundo grupo. Por tanto, puede afirmarse que el incremento de la actividad física y la reducción del sedentarismo, juegan un papel preponderante en la prevención del sobrepeso y el exceso de adiposidad, incluso cuando los sujetos manifiestan una condición genética adversa que les predispone a ser obesos.

  • English

    The anthropometric profile and body composition of 212 Spanish schoolchildren (10.81 ± 1.67 years old) were analysed, together with their level of physical activity and sedentariness. In addition, their genetic risk score for obesity was calculated from 10 SNPs. It was found that among schoolchildren with a genetic profile of greater predisposition to obesity (GR >6), the BMI of those considered "active" (more than 60 minutes per day) was 18.44± 2.62 Kg/m2, compared to 21.46 ± 3.70 of those not active. The %GC also varied between 26.14 ± 7.19 for the former and 28.25 ± 6.69 for the latter. The less sedentary schoolchildren (≤ 2h/day) presented a lower BMI than the more sedentary ones (>2 h/day): 18.73 ± 6.56 Kg/m2 versus 20.79 ± 3.87 respectively. The %GC varied between 26.41 ± 7.19 and 27.72 ± 7.04 between the first and second group. Therefore, it can be stated that the increase of physical activity and the reduction of sedentary life play a preponderant role in the prevention of overweight and excess adiposity, even when the subjects show an adverse genetic condition that predisposes them to be obese.

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