Comparison of 1 vs 3 Sets of Resistance Training on Muscular Hypertrophy
| Status: | Completed |
|---|---|
| Conditions: | Obesity Weight Loss |
| Therapuetic Areas: | Endocrinology |
| Healthy: | No |
| Age Range: | 18 - 30 |
| Updated: | 11/30/-0001 |
| Start Date: | April 2009 |
| End Date: | March 2013 |
| Contact: | Richard A Washburn, PhD |
| Email: | rwashburn@ku.edu |
| Phone: | 785-864-1688 |
Resistance Training Energy Balance & Weight Management
This study is designed to investigate the effects of two levels of resistance weight
training on body composition, energy expenditure, and energy intake in men and women. The
weight training will take about one hour to complete. Participants will perform the
training 3 days per week for 9 months in a private exercise room equipped with state of the
art equipment and a personal trainer to help guide you through the exercises.
The project lasts 21 months total with one follow-up visit 1-year from your last training
date. You will be required to stay in the Lawrence area and train 3 day/week over the summer
& holidays.
We propose to conduct a randomized controlled efficacy trial (RT-1 set vs. RT-3 sets vs. non
exercise control) to evaluate the potential for a longer intervention (9 months RT with body
composition assessments 1 yr post RT completion) with a higher volume of RT (3 sets) to
enhance the effects on body composition and energy expenditure observed in the pilot, and to
determine the impact of the 2 levels of RT on free-living energy balance (expenditure by
doubly labeled water and intake by digital photography and 24-hr recalls). This
investigation will be conducted in a sample of healthy, normal and overweight, sedentary,
young adult men and women; a group at high risk for development of overweight and obesity.
The specific aims of this project are to determine the impact of the volume (1 vs. 3 sets)
of a progressive RT protocol for inducing muscular hypertrophy, as recommended by the
American College of Sports Medicine, on body weight and body composition (fat mass, FFM, %
body fat) and energy balance. Our results will provide information relative to the minimum
volume of RT that may be associated with body weight/fat gain which may inform the
development of guidelines for RT to prevent weight gain or to alter body composition. If RT
has a favorable impact on energy balance and body composition, it may provide an attractive
alternative to aerobic exercise for weight management for busy young adults, as RT requires
minimal time, and no need to change clothes or shower (i.e. minimal or no sweating).
Inclusion Criteria:
- BMI 22-<30
- 18- 30 years old
- sedentary
- no medications
- weight stable for at least 3 months
Exclusion Criteria:
- Tobacco/Drug user
- metabolism altering medication
- gain/lost 10lbs in the last 3 months
- current exerciser
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