Efeito de um protocolo de treinamento concorrente sobre fatores de risco para o acúmulo de gordura hepática de adolescentes obesos

Monteiro, Paula Alves; Antunes, Bárbara de Moura Mello; Silveira, Loreana Sanches; Fernandes, Rômulo Araújo; Freitas, Ismael Forte

doi:10.11606/issn.2176-7262.v46i1p17-23

Cited by 7 publications

(9 citation statements)

References 17 publications

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“…On the other hand, Porto et al 22 consider the resistance training program as an efficient tool in reducing body fat resulting from the negative energy balance, resulting from the energy consumed during and after strength training sessions, and increasing oxygen consumption and energy expenditure at rest, possibly due to an increase in muscle mass 23 . The results of the present study have shown that, in the group of adolescents, there was a reduction in IF in both with HS (-0.4) and without HS (-0.4), and group effect, showing that individuals with HS have higher IF values, which is already known according to literature, because this adiposity is a predictor of HS 13 . In addition, although not statistically significant, when analyzing the delta values, both groups, with and without HS, presented a reduction in body fat, but with a tendency for the group without HS to reduce more.…”

Section: Discussionsupporting

confidence: 77%

“…Fat in the central region is associated with endocrine and metabolic disorders because it is close to the vital organs and has more vascularization and innervations 26 . Waist circumference is among the indicators of central obesity 27 , as well as high fat concentration in the trunk region, which are considered risk factors for the development of HS 13 . In this context, it is extremely essential to reduce these variables in the treatment of HS, as occurred in the present study, although without statistical significance, but being equally effective from the clinical point of view.…”

Section: Discussionmentioning

confidence: 99%

“…This study was approved by the Ethics Committee of FCT / UNESP (Protocol: 07/2009). The effect of training on obese adolescents was analyzed based on the study by Monteiro et al 13 . Regarding the risk factors of HS, the sample calculation was performed using the body fat percentage, with a difference to be detected of 3.4%, standard deviation of 5.3%, power of 80% and significance of 5 %, reaching a minimum sample is 38 children and adolescents.…”

Section: Participantsmentioning

confidence: 99%

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Esteatose hepática pode comprometer o efeito do exercício físico sobre a composição corporal em crianças e adolescentes obesos?

Saraiva

Monteiro

Brunholi

et al. 2017

Rev. Bras. Cineantropom. Desempenho Hum.

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-Physical exercise is one of the forms of prevention and treatment of obesity and associated diseases such as hepatic steatosis. The aim of this study was to analyze whether hepatic steatosis interferes in the effect of physical exercise on the body composition of obese children and adolescents. The sample consists of 40 obese individuals, 13 children (8.17±1.33 years) and 27 adolescents (12.28±1.36 years). Total and segmental body composition was estimated by DEXA. Anthropometric measurements were performed, as well as ultrasound examination of the liver to measure intra-abdominal and subcutaneous fat, and to diagnose hepatic steatosis (HS). The intervention consisted of 20 weeks, with recreational/competitive activities being applied to children and, for adolescents, concurrent training (aerobic and resistance). The Levene's, repeated-measures ANOVA and effect size tests (ES) by Eta-Squared were performed. It was observed that, although not statistically significant, analyzing the effect size, physical activity in both children (body fat ES effect time= 0.210 and ES effect group= 0.208; fat mass ES effect group= 0.338; fat android ES effect Interaction= 0.267), and adolescents (intra-abdominal fat ES effect group= 0.230) regardless of whether or not HS was effective in reducing body fat. Therefore, exercise was effective in improving the body composition of obese children and adolescents, regardless of HS.Key words: Adolescent; Child; Exercise; Fatty liver; Obesity. (12,28±1,36 anos Resumo -O exercício físico é uma das formas de prevenção e tratamento da obesidade e doenças associadas como a esteatose hepática. Objetivou-se analisar se a esteatose hepática interfere no efeito do exercício físico sobre a composição corporal de crianças e adolescentes obesos. A amostra consiste em 40 indivíduos obesos, sendo 13 crianças (8,17±1,33 anos) e 27 adolescentes

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Section: Discussionsupporting

confidence: 77%

Section: Discussionmentioning

confidence: 99%

Section: Participantsmentioning

confidence: 99%

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Esteatose hepática pode comprometer o efeito do exercício físico sobre a composição corporal em crianças e adolescentes obesos?

Saraiva

Monteiro

Brunholi

et al. 2017

Rev. Bras. Cineantropom. Desempenho Hum.

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“…(massa gorda,6±5,(5)(6)(7)(8)9±6,2%; p=0,620), (massa corporal magra, TF= 9,0±5,3% x TC= 6,8±6,7%; p=0,431) e no GER (TF= 19,6±15,3% x TC= 10,7±24,5%; p=0,331 …”

mentioning

confidence: 99%

“…Several types of exercise programs have been used to improve body composition and increase REE in obese adolescents. Concurrent training, a model that combines aerobic and strength exercises in the same training session, seems to be a very interesting strategy, since it has shown to be beneficial in reducing total and relative fat and increasing muscle mass in obese adolescents 8,9 . Conversely, functional training, another widely commercially available training model nowadays 10,11 , consists of multiple-joint exercises that rely less on the use of equipment and stable bases, thus bringing the training program closer to daily life activities.…”

mentioning

confidence: 99%

Comparação entre dois modelos de treinamento sobre o gasto energético de repouso e a composição corporal de adolescentes com obesidade

Oliveira

Rossi

Buonani

et al. 2016

Rev. Bras. Cineantropom. Desempenho Hum.

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-Different types of physical activity programs have been used with the purpose of improving body composition and increasing resting energy expenditure (REE) in obese adolescents. The aim of the present study was to compare the effects of two training models on REE and body composition in this population. The study included 20 obese male adolescents, who were randomly assigned to follow two training models: strength training (n=8, age=13,4±1.0) and functional training (n=12, age= 13.0±1.1). Body composition variables were estimated by dual-energy X-ray absorptiometry. REE was assessed by indirect calorimetry using the QUARK-PFT equipment (COSMED, Rome, Italy). The training protocol consisted of 30 minutes of aerobic training followed by 30 minutes of strength training (ST) or functional training (FT), both with a duration of 20 weeks. There were no significant differences between the two training models with regard to body composition (fat mass, FT= -7.6±5.5% vs. ST= -8.9±6.2%; p=0.620), (lean body mass, FT= 9.0±5.3% vs. ST= 6.8±6.7%; p=0.431) and to REE (FT= 19.6±15.3% vs. ST= 10.7±24.5%; p=0.331). Moreover, lean body mass (p=0.01) and fat mass (0.01) had an influence on REE. No differences were observed between the two training models, but both were effective in improving body composition and increasing REE in obese adolescents. Furthermore, the present study showed the importance of systematic physical training, since lean body mass and fat mass contributed to the increase in REE after the training period.Key words: Adolescents; Body composition; Obesity; Training. (massa gorda,6±5,(5)(6)(7)(8)9±6,2%; p=0,620), (massa corporal magra, TF= 9,0±5,3% x TC= 6,8±6,7%; p=0,431) e no GER (TF= 19,6±15,3% x TC= 10,7±24,5%; p=0,331 Resumo -Diferentes tipos de programas de exercícios físicos têm sido utilizados na tentativa de melhorar a composição corporal e aumentar o gasto energético de repouso (GER) de adolescentes obesos. O objetivo foi comparar os efeitos de dois modelos de treinamento sobre o gasto energético de repouso e a composição corporal de adolescentes com obesidade. Participaram do estudo vinte adolescentes obesos do sexo masculino, foram divididos de forma aleatória em dois modelos de treinamento: treinamento contra resistência (n=8, idade=13,4±1,0) e treinamento funcional (n=12, idade= 13,0±1,1). As variáveis de composição corporal foram estimadas pela densitometria radiológica de dupla energia. O GER foi realizado por meio da calorimetria indireta usando o equipamento QUARK-PFT (COSMED, Roma, Itália). O protocolo de treinamento consistiu de 30 minutos de treino aeróbio seguidos de 30 minutos de treino contra resistência (TC) ou funcional (TF), ambos durante 20 semanas. Não houve diferenças significantes entre os dois modelos de treinamento na composição corporal

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Concurrent and aerobic exercise training promote similar benefits in body composition and metabolic profiles in obese adolescents

et al. 2015

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BackgroundThe prevalence of obesity in pediatric population is increasing at an accelerated rate in many countries, and has become a major public health concern. Physical activity, particularly exercise training, remains to be a cornerstone of pediatric obesity interventions. The purpose of our current randomized intervention trial was to compare the effects of two types of training matched for training volume, aerobic and concurrent, on body composition and metabolic profile in obese adolescents. Thus the aim of the study was compare the effects of two types of training matched for training volume, aerobic and concurrent, on body composition and metabolic profile in obese adolescents.Methods32 obese adolescents participated in two randomized training groups, concurrent or aerobic, for 20 weeks (50 mins x 3 per week, supervised), and were compared to a 16-subject control group. We measured the percentage body fat (%BF, primary outcome), fat-free mass, percentage of android fat by dual energy x-ray absorptiometry, and others metabolic profiles at baseline and after interventions, and compared them between groups using the Intent-to-treat design.ResultsIn 20 weeks, both exercise training groups significantly reduced %BF by 2.9-3.6 % as compare to no change in the control group (p = 0.042). There were also positive changes in lipid levels in exercise groups. No noticeable changes were found between aerobic and concurrent training groups.ConclusionsThe benefits of exercise in reducing body fat and metabolic risk profiles can be achieved by performing either type of training in obese adolescents.Trial registrationRegistration number: RBR-4HN597.

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Efeito de um protocolo de treinamento concorrente sobre fatores de risco para o acúmulo de gordura hepática de adolescentes obesos

Cited by 7 publications

References 17 publications

Esteatose hepática pode comprometer o efeito do exercício físico sobre a composição corporal em crianças e adolescentes obesos?

Esteatose hepática pode comprometer o efeito do exercício físico sobre a composição corporal em crianças e adolescentes obesos?

Comparação entre dois modelos de treinamento sobre o gasto energético de repouso e a composição corporal de adolescentes com obesidade

Concurrent and aerobic exercise training promote similar benefits in body composition and metabolic profiles in obese adolescents

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