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SUFICIENCIA DE LA DIETA Y COMPOSICIÓN CORPORAL EN UN GRUPO DE NIÑOS DE 11-14 AÑOS DE DOS CLUBES DEPORTIVOS EN SANTIAGO DE CHILE Translated title: ADEQUACY OF THE DIET AND BODY COMPOSITION IN A GROUP OF 11-14 YEARS OLD CHILDREN FROM TWO SPORT CLUBS IN SANTIAGO DE CHILE

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      Abstract

      Existe escasa información en nuestro país sobre la alimentación de diferentes grupos de la población. El objetivo del estudio es conocer la dieta consumida por escolares que efectúan actividad física regularmente y determinar su composición corporal. Se evaluaron 105 escolares entre 11 y 14 años pertenecientes a dos clubes deportivos, quienes en promedio realizan actividad física programada 8 horas por semana. La evaluación antropométrica incluyó peso, estatura, pliegue tricipital y subescapular, además de un registro alimentario de 24 horas. Se evaluó el nivel socioeconómico mediante la encuesta ESOMAR. Como era de esperar el peso y la talla aumentaron progresivamente con la edad. El porcentaje de grasa corporal aumentó entre 11 y 13 años de edad para luego descender a los 14 años. Un 86% presentó un estado nutricional normal y 14% sobrepeso. No se observó obesidad en este grupo de niños. Tanto la ingesta energética como los macronutrientes fueron suficientes en todos los grupos, encontrándose déficit solo para calcio y potasio que se asocia a baja ingesta de lácteos, frutas y verduras. En conclusión, este grupo presenta patrones similares de consumo alimentario que escolares de la misma edad, sin embargo presentan mejor estado nutricional, probablemente debido al mayor nivel actividad física.

      Translated abstract

      The information available on food consumption in different population groups is very limited in Chile. Objective: To assess the diet of schoolchildren who on a regular basis perform physical activity. Method: We evaluated 105 schoolchildren aged 11-14 years who regularly attend two sport clubs and who, on the average, perform 8 hours of programmed activity per week. Anthropometric evaluation included height, weight, tricipital and sub scapular skinfold thickness and diet was evaluated by means of a 24-hour dietary recall. Socioeconomic level was determined by the ESOMAR method. Results: As expected, height and weight increased progressively with age. Percentage of body fat increased between 11 and 13 years old and significantly decreased by age 14 years. Nutritional status was normal in 86% of the children and only 14% were overweight. There were no obese children in the group. Macronutrient and energy intake were adequate for the age except for the low consumption of potassium and calcium. Conclusion: Children who perform exercise regularly show a low prevalence of overweight and no obesity although their diet was similar to other schoolchildren who show an elevated prevalence of overweight and obesity, most probably due to their regular physical activity.

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      Most cited references 43

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      Dietary reference intakes: vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc.

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        CDC growth charts: United States.

        This report presents the revised growth charts for the United States. It summarizes the history of the 1977 National Center for Health Statistics (NCHS) growth charts, reasons for the revision, data sources and statistical procedures used, and major features of the revised charts. Data from five national health examination surveys collected from 1963 to 1994 and five supplementary data sources were combined to establish an analytic growth chart data set. A variety of statistical procedures were used to produce smoothed percentile curves for infants (from birth to 36 months) and older children (from 2 to 20 years), using a two-stage approach. Initial curve smoothing for selected major percentiles was accomplished with various parametric and nonparametric procedures. In the second stage, a normalization procedure was used to generate z-scores that closely match the smoothed percentile curves. The 14 NCHS growth charts were revised and new body mass index-for-age (BMI-for-age) charts were created for boys and girls (http://www.cdc.gov/growthcharts). The growth percentile curves for infants and children are based primarily on national survey data. Use of national data ensures a smooth transition from the charts for infants to those for older children. These data better represent the racial/ethnic diversity and the size and growth patterns of combined breast- and formula-fed infants in the United States. New features include addition of the 3rd and 97th percentiles for all charts and extension of all charts for children and adolescents to age 20 years. Created with improved data and statistical curve smoothing procedures, the United States growth charts represent an enhanced instrument to evaluate the size and growth of infants and children.
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          Skinfold equations for estimation of body fatness in children and youth

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            Author and article information

            Affiliations
            [1 ] Pontificia Universidad Católica de Chile Chile
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Journal
            rchnut
            Revista chilena de nutrición
            Rev. chil. nutr.
            Sociedad Chilena de Nutrición, Bromatología y Toxicología (Santiago )
            0717-7518
            June 2010
            : 37
            : 2
            : 145-154
            S0717-75182010000200002
            10.4067/S0717-75182010000200002

            http://creativecommons.org/licenses/by/4.0/

            Product
            Product Information: SciELO Chile
            Categories
            NUTRITION & DIETETICS

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