Different Order of Concurrent Training on Improving Visceral Adipose Tissue and Insulin Resistance.
NCT ID: NCT05580263
Last Updated: 2024-02-06
Study Results
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Basic Information
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COMPLETED
NA
92 participants
INTERVENTIONAL
2022-10-31
2023-06-30
Brief Summary
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Methods: Purposive sampling will be used to enroll community residents aged 40-64 years with inactive habit and body fat percentage ≧ 25% for male and ≧ 30% for female in southern Taiwan. Eligible participants will be stratified by sex and age (40-55years and 56-64 years) then block randomly divided into training group of AE preceding RE, RE preceding AE or a control group. The exercise training program will under supervision lasting 16 weeks with 3 times per week. The concurrent training prescription consist of AE 30 minutes and RE 15 minutes per session. A 5-minute interval between two exercise modalities. All participants will be evaluated outcomes for two time points including baseline (T0) and after 16-week intervention (T1). The primary outcomes are VAT and insulin resistance. A two-way ANOVA with repeated measures will be performed to compare changes of outcome variables over the intervention period.
Relevance to clinical practice: The results of this project can assist health professionals to know how to properly prescribe concurrent training of AE and RE to achieve the greatest effects on VATreduction and insulin resistance improvement for middle-age residents with obesity.
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Detailed Description
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Purposes: The purpose of one-year project is to compare the effect of different intrasession exercise order of AE and RE during concurrent training on reducing VAT and improving insulin resistance for inactive middle-age community residents with obesity.
Methods: Purposive sampling will be used to enroll community residents aged 40-64 years with inactive habit and body fat percentage ≧ 25% for male and ≧ 30% for female in Tainan. Eligible participants will be stratified by sex and age (40-55years and 56-64 years) then block randomly divided into training group of AE preceding RE, RE preceding AE or a control group. The exercise training program will under supervision lasting 16 weeks with 3 times per week. The concurrent training prescription consist of AE 30 minutes and RE 15 minutes per session. A 5-minute interval between two exercise modalities. The control group will follow their primary lifestyle without exercise intervention. All participants will be evaluated outcomes for two time points including baseline (T0) and after 16-week intervention (T1). The primary outcomes are VAT and insulin resistance. VAT is measured by body composition analyzer and insulin resistance is calculate from fasting glucose and insulin level in blood samples. A two-way ANOVA with repeated measures will be performed to compare changes of outcome variables over the intervention period.
Relevance to clinical practice: The results of this project can assist health professionals to know how to properly prescribe concurrent training of AE and RE to achieve the greatest effects on VATreduction and insulin resistance improvement for middle-age residents with obesity.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
DOUBLE
Study Groups
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aerobic exercise(AE) preceding resistance exercise(RE)
at least moderate intensity of AE 30 minutes than RE 15 minutes, with a break of 5 minutes between two modalities of training.
aerobic exercise
The main AE program will be designed and controlled for at least moderate intensity of heart rate reserve (HRR) lasting 30 minutes. The goal of intensity will be set at least 40% of HRR during the first two weeks, and then progressively increase the targeted intensity at the end of 16 weeks with 60% HRR. The motions will design by involving core muscle training (e.g., march, step touch, lunge, V-step, box step, twist, knee up, scoop, and scissors).
resistance exercise
In the process, the participants will be instructed by resisting the weight smoothly, and peaking at hold. RE prescription consist of 2-4 sets with 10-15 repetitions per set with a rest interval of 1-2 minutes between sets to improve muscular fitness.
The first two weeks will start with two sets of 10-15 repetitions and then gradually progress on four sets of 15 repetitions at the end of 16 weeks. The total duration of RE will lasting around 15 minutes.
RE preceding AE
RE 15 minutes than at least moderate intensity of AE 30 minutes, with a break of 5 minutes between two modalities of training.
aerobic exercise
The main AE program will be designed and controlled for at least moderate intensity of heart rate reserve (HRR) lasting 30 minutes. The goal of intensity will be set at least 40% of HRR during the first two weeks, and then progressively increase the targeted intensity at the end of 16 weeks with 60% HRR. The motions will design by involving core muscle training (e.g., march, step touch, lunge, V-step, box step, twist, knee up, scoop, and scissors).
resistance exercise
In the process, the participants will be instructed by resisting the weight smoothly, and peaking at hold. RE prescription consist of 2-4 sets with 10-15 repetitions per set with a rest interval of 1-2 minutes between sets to improve muscular fitness.
The first two weeks will start with two sets of 10-15 repetitions and then gradually progress on four sets of 15 repetitions at the end of 16 weeks. The total duration of RE will lasting around 15 minutes.
Control group
Participants maintain their usual life without any exercise intervention.
No interventions assigned to this group
Interventions
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aerobic exercise
The main AE program will be designed and controlled for at least moderate intensity of heart rate reserve (HRR) lasting 30 minutes. The goal of intensity will be set at least 40% of HRR during the first two weeks, and then progressively increase the targeted intensity at the end of 16 weeks with 60% HRR. The motions will design by involving core muscle training (e.g., march, step touch, lunge, V-step, box step, twist, knee up, scoop, and scissors).
resistance exercise
In the process, the participants will be instructed by resisting the weight smoothly, and peaking at hold. RE prescription consist of 2-4 sets with 10-15 repetitions per set with a rest interval of 1-2 minutes between sets to improve muscular fitness.
The first two weeks will start with two sets of 10-15 repetitions and then gradually progress on four sets of 15 repetitions at the end of 16 weeks. The total duration of RE will lasting around 15 minutes.
Eligibility Criteria
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Inclusion Criteria
* body fat percentage ≧ 25% for male and ≧ 30% for female.
* with inactive habit (≤ 3 days of physical activity per week and ≤ 30 min per session).
* can communicate in Mandarin or Taiwanese.
Exclusion Criteria
* with any contraindications to body composition analyzer measurement including body embed pacemakers and artificial metal joints, amputated hands or feet.
* cannot corporate with either examination or intervention.
* use psychotropic or appetite-regulating medicine.
* under oral hopoglycemic agent or insulin treatment.
40 Years
64 Years
ALL
Yes
Sponsors
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National Tainan Junior College of Nursing
OTHER
Responsible Party
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Yu-Hsuan Chang
Assistant professor
Principal Investigators
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Yu-Hsuan Chang, phD
Role: PRINCIPAL_INVESTIGATOR
National Tainan Junior College of Nursing
Locations
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Natioal Tainan Junior College of Nursing
Tainan City, , Taiwan
Countries
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Other Identifiers
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110-551
Identifier Type: -
Identifier Source: org_study_id
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