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Comportamento da composição corporal, contagem elucocitária e adipocinas de adolescentes obesos treinados e não treinados

Authors: Antunes, Barbara de Moura Mello;

Comportamento da composição corporal, contagem elucocitária e adipocinas de adolescentes obesos treinados e não treinados

Abstract

Objective: To analyze the effects of 20 weeks of concurrent training in body composition, concentrations of pro and anti-inflammatory adipokines and leukocyte of obese adolescents of both genders. Methods: The sample consisted of 22 adolescents, with a mean age of 12.7 years (SD = 1.68), classified as obese. Assessment of body composition was performed by means of anthropometry, DEXA and ultrasound, and to assess the concentration of leukocytes and adipokines made biochemical analyzes. The sample was divided into control group and training group. The intervention group was training through the concurrent training, comprising 50 % of the time aerobic exercise and 50 % of the time resistance exercise, during 1 hour/session. Statistical analyzes (descriptive analysis, paired Student t test, Anova factorial, Pearson correlation and linear regression) were performed using SPSS, version 17.0, and statistical significance set at p<0,05. Results: After intervention there were significant changes in body composition, however not observed changes in blood variables. There is correlation between sex and percentage of total and trunk fat and total and android region of lean mass, moreover, the training has added sex ratio with total body mass, total fat mass, android region tissues (lean mass, fat mass and tissue), intra-abdominal fat and monocytes. The concentration of TNF-α correlated with age, weight, fat mass, lean mass and subcutaneous fat and to apply the body composition variables in a linear regression all variables maintained interaction with TNF-α, however, when adjusted for age, weight and sex, only fat mass and lean mass. Regarding the leukocyte count only IL-6 was correlated with cells and remained on the regression model. Conclusion: Obese adolescents submitted to concurrent training presented significant changes in body composition, however, do not change the leukocyte counts. Moreover, body composition variables, particularly fat...

Objetivo: Analisar a composição corporal, contagem leucocitária e concentração circulante de adipocinas de adolescentes obesos treinados, submetidos a 20 semanas de treinamento concorrente, e não treinados de ambos os gêneros. Metodologia: Amostra composta por 22 adolescentes, com idade média de 12,7 anos (DP=1,68), classificados como obesos. Realizou-se avaliação de composição corporal por meio da antropometria, densitometria óssea e ultrassonografia, além de leucograma completo e análises de concentrações circulantes de adipocinas. A amostra foi distribuída em grupo controle e grupo treinamento, sendo realizada a intervenção por meio do treinamento concorrente com duração de uma hora/aula. Realizou-se as análises estatísticas por meio da Análise descritiva, Teste t de student pareado, Anova fatorial, correlação de Pearson e regressão linear utilizando o programa SPSS, versão 17.0, e a significância de p<0,05. Resultados: Após intervenção houve modificações significativas na composição corporal, entretanto não observou-se alterações nas variáveis sanguíneas. Há correlações entre sexo e percentual de gordura total e no tronco, massa magra total e na região androide, além disso, sexo somado ao treinamento possui relação com massa corporal total, massa de gordura total, tecidos da região androide (massa magra, gordura e tecido), gordura intra-abdominal e monócitos. A concentração de TNF-α correlacionou-se com a idade, peso, massa de gordura, massa magra e gordura subcutânea e ao aplicar as variáveis de composição corporal em uma regressão linear todas as variáveis mantiveram interação com o TNF-α, entretanto, quando ajustado por idade, peso e sexo, apenas a massa de gordura e massa magra. Em relação à contagem leucocitária apenas a IL-6 correlacionou-se com os linfócitos e manteve-se na modelo de regressão. Conclusão: Adolescentes obesos submetidos ao treinamento concorrente...

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Ciências da Motricidade - IBRC

Country
Brazil
Keywords

Adipócitos, Síndrome metabólica, Corpo humano - Composição, Obesos, Sports medicine, Leucócitos, Citocinas, Medicina esportiva, Densidade óssea, Antropometria

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green