Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents

Abstract Background Improvements in insulin resistance and pancreatic β-cell function have been shown following exercise in adults with obesity; however, few adolescent-based studies have been conducted. This study examined the impact of exercise training on body fat and insulin sensitivity and secr...

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Main Authors: Kuang-Chung Shih, Ching-Fai Kwok
Format: Article
Language:English
Published: BMC 2018-02-01
Series:BMC Pediatrics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12887-018-1025-y
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author Kuang-Chung Shih
Ching-Fai Kwok
author_facet Kuang-Chung Shih
Ching-Fai Kwok
author_sort Kuang-Chung Shih
collection DOAJ
description Abstract Background Improvements in insulin resistance and pancreatic β-cell function have been shown following exercise in adults with obesity; however, few adolescent-based studies have been conducted. This study examined the impact of exercise training on body fat and insulin sensitivity and secretion in overweight and obese adolescents. Methods The effects of a 12-week exercise program on the parameters of adiposity and glucose homeostasis were investigated in 47 overweight and obese male adolescents. Results After the exercise training program, body weight, body mass index, waist circumference, and body fat were significantly decreased (P < 0.001). Improvements in insulin sensitivity (HOMA-IR: 1.40 vs. 0.86, P < 0.001) and the disposition index (5.84 vs. 12.77, P < 0.001) were also observed. Compared to baseline, oral glucose tolerance tests showed reduced glucose and insulin levels at all time points following the exercise training (all P < 0.001). Subgroup analysis of overweight and obese adolescents with abnormal glucose tolerance revealed that there was no difference in plasma glucose levels as compared to the lean group. Conclusions A 12-week exercise training is effective in reducing body fat and improving insulin sensitivity and secretion. In addition, the benefits of the exercise intervention were even experienced by those with impaired glucose tolerance.
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spelling doaj.art-3578e162bbb747d39fa8929fe3bf8b7d2022-12-21T19:53:49ZengBMCBMC Pediatrics1471-24312018-02-011811810.1186/s12887-018-1025-yExercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescentsKuang-Chung Shih0Ching-Fai Kwok1Division of Endocrinology and Metabolism, Department of Medicine, Cheng-Hsin General HospitalDivision of Endocrinology and Metabolism, Department of Medicine, Cheng-Hsin General HospitalAbstract Background Improvements in insulin resistance and pancreatic β-cell function have been shown following exercise in adults with obesity; however, few adolescent-based studies have been conducted. This study examined the impact of exercise training on body fat and insulin sensitivity and secretion in overweight and obese adolescents. Methods The effects of a 12-week exercise program on the parameters of adiposity and glucose homeostasis were investigated in 47 overweight and obese male adolescents. Results After the exercise training program, body weight, body mass index, waist circumference, and body fat were significantly decreased (P < 0.001). Improvements in insulin sensitivity (HOMA-IR: 1.40 vs. 0.86, P < 0.001) and the disposition index (5.84 vs. 12.77, P < 0.001) were also observed. Compared to baseline, oral glucose tolerance tests showed reduced glucose and insulin levels at all time points following the exercise training (all P < 0.001). Subgroup analysis of overweight and obese adolescents with abnormal glucose tolerance revealed that there was no difference in plasma glucose levels as compared to the lean group. Conclusions A 12-week exercise training is effective in reducing body fat and improving insulin sensitivity and secretion. In addition, the benefits of the exercise intervention were even experienced by those with impaired glucose tolerance.http://link.springer.com/article/10.1186/s12887-018-1025-yβ-cell functionExerciseInsulin resistanceObesityType 2 diabetes
spellingShingle Kuang-Chung Shih
Ching-Fai Kwok
Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
BMC Pediatrics
β-cell function
Exercise
Insulin resistance
Obesity
Type 2 diabetes
title Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
title_full Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
title_fullStr Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
title_full_unstemmed Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
title_short Exercise reduces body fat and improves insulin sensitivity and pancreatic β-cell function in overweight and obese male Taiwanese adolescents
title_sort exercise reduces body fat and improves insulin sensitivity and pancreatic β cell function in overweight and obese male taiwanese adolescents
topic β-cell function
Exercise
Insulin resistance
Obesity
Type 2 diabetes
url http://link.springer.com/article/10.1186/s12887-018-1025-y
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AT chingfaikwok exercisereducesbodyfatandimprovesinsulinsensitivityandpancreaticbcellfunctioninoverweightandobesemaletaiwaneseadolescents