The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males

Background/Objective: The effects of fasted aerobic exercise on body composition and whether it causes adverse effects remain controversial. This study was to compare the effects of fasted and non-fasted aerobic exercise on body shape and blood biochemical indexes in overweight and obese young adult...

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Main Authors: Xiaolong Liu, Mengxiao He, Xiaoli Gan, Yang Yang, Qin Hou, Rongbo Hu
Format: Article
Language:English
Published: Elsevier 2023-01-01
Series:Journal of Exercise Science & Fitness
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1728869X22000764
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author Xiaolong Liu
Mengxiao He
Xiaoli Gan
Yang Yang
Qin Hou
Rongbo Hu
author_facet Xiaolong Liu
Mengxiao He
Xiaoli Gan
Yang Yang
Qin Hou
Rongbo Hu
author_sort Xiaolong Liu
collection DOAJ
description Background/Objective: The effects of fasted aerobic exercise on body composition and whether it causes adverse effects remain controversial. This study was to compare the effects of fasted and non-fasted aerobic exercise on body shape and blood biochemical indexes in overweight and obese young adult males, and observe whether FAE triggers adverse reactions. Methods: Thirty overweight and obese young adult males were randomly divided into fasted aerobic exercise (FAE) group, non-fasted aerobic exercise (NFAE) group, and control group. They were subjected to indoor treadmill intervention five days a week combined with diet control for six weeks. The FAE group had breakfast 0.5 h after exercise, and the NFAE group exercised 1 h after breakfast. Both groups filled out adverse reaction questionnaires during exercise, and the control group did not have any intervention. Height, weight, body mass index (BMI), and body fat percentage of the three groups of subjects before and after the experiment were measured by the GAIA KIKO bio-resistance antibody composition analyzer in Korea; waist circumference (WC), hip circumference (HC), waist-to-hip ratio (WHR), and waist-to-height ratio (WHtR) were measured by the tape measure method; fasting plasma glucose (FPG), fasting insulin (FINs), total cholesterol (TC), triglyceride (TG), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), very low density lipoprotein (VLDL), and HDL-C/LDL-C were measured by Roche C8000 automatic biochemical analysis instrument. Results: Weight, BMI, body fat percentage, WC, HC, WHR, WHtR, TG, TC, LDL-C and VLDL decreased very significantly (P < 0.01) in the FAE and NFAE groups after the 6-week experiment. The decrease in FINS was significant in the FAE group (P < 0.05) and the decrease in HDL-C was very significant in the NFAE group (P < 0.01). There was no significant difference in the frequency of adverse reactions between two groups (P > 0.05). Conclusion: Six-week FAE and NFAE significantly improved body shape in overweight and obese young adult males, while FAE significantly reduced fasting insulin levels and increased tissue cell sensitivity to insulin. And compared to NFAE, 30 min of FAE in the morning did not increase adverse effects.
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spelling doaj.art-b4fca09e83284a729b3e4f87433eb44d2023-02-02T04:47:58ZengElsevierJournal of Exercise Science & Fitness1728-869X2023-01-0121195103The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult malesXiaolong Liu0Mengxiao He1Xiaoli Gan2Yang Yang3Qin Hou4Rongbo Hu5Sports Medicine Laboratory, Guangxi Normal University, Guilin, 541006, Guangxi, China; Rehabilitation Institute, Guilin Life and Health Career Technical College, Guilin, 541100, Guangxi, ChinaKey Laboratory of Human Sports Science, Xinjiang Normal University, Urumqi, 830054, Xinjiang, China; Department of Physical Education and Health, Guilin College, Guilin, 541006, Guangxi, ChinaCollege of Foreign Studies, Guangxi Normal University, Guilin, 541006, Guangxi, ChinaDepartment of Sports Science, Shanghai Institute of Physical Education, Shanghai, 200438, ChinaDepartment of Gastroenterology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, ChinaChair of Building Realization and Robotics, Technical University of Munich, Munich, 80333, Germany; Corresponding author. Chair of Building Realization and Robotics, Technical University of Munich, Munich, 80333, Germany.Background/Objective: The effects of fasted aerobic exercise on body composition and whether it causes adverse effects remain controversial. This study was to compare the effects of fasted and non-fasted aerobic exercise on body shape and blood biochemical indexes in overweight and obese young adult males, and observe whether FAE triggers adverse reactions. Methods: Thirty overweight and obese young adult males were randomly divided into fasted aerobic exercise (FAE) group, non-fasted aerobic exercise (NFAE) group, and control group. They were subjected to indoor treadmill intervention five days a week combined with diet control for six weeks. The FAE group had breakfast 0.5 h after exercise, and the NFAE group exercised 1 h after breakfast. Both groups filled out adverse reaction questionnaires during exercise, and the control group did not have any intervention. Height, weight, body mass index (BMI), and body fat percentage of the three groups of subjects before and after the experiment were measured by the GAIA KIKO bio-resistance antibody composition analyzer in Korea; waist circumference (WC), hip circumference (HC), waist-to-hip ratio (WHR), and waist-to-height ratio (WHtR) were measured by the tape measure method; fasting plasma glucose (FPG), fasting insulin (FINs), total cholesterol (TC), triglyceride (TG), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), very low density lipoprotein (VLDL), and HDL-C/LDL-C were measured by Roche C8000 automatic biochemical analysis instrument. Results: Weight, BMI, body fat percentage, WC, HC, WHR, WHtR, TG, TC, LDL-C and VLDL decreased very significantly (P < 0.01) in the FAE and NFAE groups after the 6-week experiment. The decrease in FINS was significant in the FAE group (P < 0.05) and the decrease in HDL-C was very significant in the NFAE group (P < 0.01). There was no significant difference in the frequency of adverse reactions between two groups (P > 0.05). Conclusion: Six-week FAE and NFAE significantly improved body shape in overweight and obese young adult males, while FAE significantly reduced fasting insulin levels and increased tissue cell sensitivity to insulin. And compared to NFAE, 30 min of FAE in the morning did not increase adverse effects.http://www.sciencedirect.com/science/article/pii/S1728869X22000764Fasting aerobic exerciseObesityBody shape indexBlood biochemical indexAdverse effects
spellingShingle Xiaolong Liu
Mengxiao He
Xiaoli Gan
Yang Yang
Qin Hou
Rongbo Hu
The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
Journal of Exercise Science & Fitness
Fasting aerobic exercise
Obesity
Body shape index
Blood biochemical index
Adverse effects
title The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
title_full The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
title_fullStr The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
title_full_unstemmed The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
title_short The effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
title_sort effects of six weeks of fasted aerobic exercise on body shape and blood biochemical index in overweight and obese young adult males
topic Fasting aerobic exercise
Obesity
Body shape index
Blood biochemical index
Adverse effects
url http://www.sciencedirect.com/science/article/pii/S1728869X22000764
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