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Effects of High Intensity Functional Training on Health-Related Physical Fitness, Affective Response, and Exercise Adherence in Overweight and Obese Adults

Effects of High Intensity Functional Training on Health-Related Physical Fitness, Affective Response, and Exercise Adherence in Overweight and Obese Adults

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260410005
Enrollment
24
Registered
2026-04-10
Start date
2026-03-23
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

overweight or obese exercise training, obesity, oxygen consumption, fat mass, enjoyment

Interventions

Participants in the high-intensity functional training group will perform a supervised exercise program developed by the investigators, three times per week for 8 weeks. The program will consist of fi
High-intensity functional training group,High-intensity interval training group,Control group

Sponsors

Faculty of Sports and Health Science, Kasetsart University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1. Male or female, aged 18 to 30 years. 2. Body mass index of 23 kg per square meter or higher. 3. Body fat percentage classified as overweight or obese, defined as: Males: 17.0 to 20.9 percent for overweight, or 21 percent or higher for obesity Females: 32.0 to 36.9 percent for overweight, or 37 percent or higher for obesity 4. Sedentary lifestyle, defined as predominantly engaging in sitting, reclining, or lying activities during waking hours with low energy expenditure of 1.5 metabolic equivalents or lower. Examples include computer use, attending classes, watching television, using mobile devices, reading, eating while seated, or prolonged travel with minimal physical movement.

Exclusion criteria

Exclusion criteria: 1. Current smokers. 2. Excessive alcohol consumption, defined as more than 2 standard drinks per day for males or more than 1 standard drink per day for females. 3. Diagnosed medical conditions or contraindications to high-intensity exercise, including: Coronary artery disease with contraindications to vigorous exercise, Uncontrolled hypertension, defined as blood pressure of 160 over 100 millimeters of mercury or higher, Abnormal resting heart rate, defined as greater than 100 beats per minute, Uncontrolled diabetes mellitus, Dyslipidemia, Hyperthyroidism, Neuromuscular disorders, Musculoskeletal disorders limiting exercise, Unstable psychiatric conditions 4. Pregnant or breastfeeding women, or individuals planning to become pregnant during the study period. 5. Individuals who have received contrast media for medical imaging. 6. Individuals with implanted metal or medical devices in the body.

Design outcomes

Primary

MeasureTime frame
Cardiorespiratory Fitness before and after 8 weeks of the intervention Graded exercise test on treadmill with breath-by-breath gas analysis,Body composition before and after 8 weeks of the intervention Dual-energy x-ray absorptiometry,Upper- and lower-body muscular strength before and after 8 weeks of the intervention Indirect 1RM,Upper- and lower-body muscular endurance before and after 8 weeks of the intervention Expected repetitions at 70% 1RM ,Flexibility before and after 8 weeks of the intervention Modified sit-and-reach test,Blood pressure before and after 8 weeks of the intervention Automatic oscillometric sphygmomanometer

Secondary

MeasureTime frame
Enjoyment every exercise session The physical activity enjoyment scale,Affective felling every exercise session An affective feeling scale,Rated Perceived Exertion every exercise session Borg RPE Scale

Countries

Thailand

Contacts

Public ContactJatuporn Phoemsapthawee

Faculty of Sports and Health Science, Kasetsart University

jatuporn.w@ku.th034355258

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026