The worldwide increase of obesity in children claim for urgent measures in several
instances. One of the keys measures is to increase the children habitual physical
activity (PA). The propose of this study is to analyze the effects of an PA intervention
program in the children adipose tissue

Correia, Teresa

Gomes, D.C.

Lopes, Vitor P.

Vasques,  Catarina

Correia, Teresa I.G.

Biblioteca Digital do IPB

EFFECTS OF A PHYSICAL ACTIVITY INTERVENTION STUDY  IN OBESE/OVERWEIGHT CHILDREN ADIPOSE TISSUE. Lopes, Vítor P.; Vasques, C.; Gomes, D.; Correia, T. Research Center in Sports Sciences, Health Sciences and Human Development (CIDESD) Polytechnic Institute of  Bragança – Portugal Poster: XXV PWP , Lille, France, 29 September to 3 October, 2009  Vítor Pires Lopes Escola Superior de Educação Apartado 1101, 5301-856 Bragança Portugal e.mail: vplopes@ipb.pt Abstract Background  The worldwide increase of obesity in children claim for urgent measures in several instances. One of the keys measures is to increase the children habitual physical activity (PA). The propose of this study is to analyze the effects of an PA intervention program in the children adipose tissue. Methods  24 obese/overweight children with 10.29±2.00 years of age (6.92 to 13.89) of both gender participated in a intervention PA program during 9 months. They were evaluated at the beginning, after 4 months, and at the end of the program in weight, height and skinfolds (triceps, subscapular, suprailiac, and calf). The changes were analysed in a hierarchical linear model with HLM 5 having the sum of skinfolds as dependent variable. Children were classified as obese / overweight according to the IOTF cut-off values (Cole et al., 2000). Results  At baseline sum of skinfolds had an estimate mean value of 92.01 mm. The hierarchical linear model shows a significant and positive effect of the intervention program, that is, there was a decrease of 9.6 mm in the sum of skinfolds between which observations. Between the baseline and the second observation 30% changed from overweight to norm weight and 8.3% from obese to overweight. Between the second and the last observations only one child changed from obese to overweight. Discussion  The results indicate a positive effect of the PA intervention program in the reduction of adipose tissue in obese/overweight children.  The effectiveness of obesity prevention programs varies and is currently not well established. However, some trials were successful and have shown a positive effect of increases in physical activity in the prevention of obesity/overweight.  Introduction Obesity is a widespread disease in developed countries. In Portugal it has been estimated that about 12% of adult population and 11% children (7 to 9 years old) are obese.   The high prevalence of overweight and obesity are of great concern in public health, and there are no effective strategies of prevent and treatment. The enhancement of habitual physical activity (PA) could be an important factor both in prevention and treatment.  The propose of this study is to analyze the effects of an after school physical activity intervention program in the children adipose tissue. The PA intervention program was schedule after school and had a duration of a school year (10 months). During every week-day children could participate in a session of 60-90 min of PA. Children could choose the number and in what days they want to participate. The number of days that each child participate in the program was registered. The session were organized with a variety of games and sports activities. Purpose Physical Activity Intervention Program Stature, body mass and the triceps, subscapular, suprailiac, and calf skinfolds were measured. The body mass index (BMI) and sum of skinfolds were calculated. Overweight and obesity were determined according to IOTF cut-off values for BMI2. Each child were evaluated at the beginning, after 4 months, and at the end of the program. Somatic Measures Statistical Analysis The changes were analysed in a hierarchical linear model with HLM 5 having the sum of skinfolds as dependent variable.  Sample The sample comprise 24 obese/overweight children with 10.29±2.00 years of age (6.92 to 13.89) of both gender.  Results Skinfold 1st Observation 2nd Observation 3rd Observation triceps 22.62±4.70 18.89±5.14 18.89±4.66 subscapular 20.85±8.24 15.23±7.28 15.87±8.64 suprailiac 30.31±5.68 25.43±7.65 23.14±9.22 calf 24.61±5.38 21.61±5.90 19.28±6.29 Means ± standard-deviations of skinfolds  Between the baseline and the second observation 30% changed from overweight to normal weight and 8.3% from obese to overweight. Between the second and the last observations only one child changed from obese to overweight  Results Percentage of children in each weight category in each observation 1st Observation 2nd Observation 3rd Observation Specification of parameters (fixed effects) in the hierarchical linear model with standard errors (SE) and confidence Conclusion At baseline sum of skinfolds had an estimate mean value of 92.01 mm. The hierarchical linear model shows a significant and positive effect of the intervention program, that is, there was a decrease of 9.6 mm in the sum of skinfolds between which observations. The results indicate a positive effect of the PA intervention program in the reduction of adipose tissue in obese/overweight children.  Conclusion 

Effects of a physical activity intervention study in obese/overweight children adipose tissue

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Effects of a physical activity intervention study in obese/overweight children adipose tissue

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