At a glance
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Effects of Adding Home-based Power Training to a Multidisciplinary Weight Management Service: A Randomised Clinical Trial
In Brief
A clinical study evaluating Home-based resistance training and Walking intervention for Obesity, Morbid. Completed, enrolled 38 participants.
Detailed Summary
This study evaluates whether adding home-based resistance training to a multidisciplinary specialist weight management service can promote weight loss and improve physical function, strength, power and quality of life in adults with severe obesity. The study also investigated whether performing resistance exercises as fast as possible can yield further improvements in physical function compared with traditional slow-speed resistance training. All recruited participants completed a 3-month home-based resistance training programme with behavioural support; half of the participants performed resistance exercises in a slow and controlled manner, whereas the other half performed resistance exercises with maximal intentional velocity.
Study Details
Timeline
Interventions
Patients completed two home-based resistance training sessions each week on non-consecutive days for 12 weeks. The programme was delivered online via individual playlists on Youtube (YouTube, San Bruno, California, USA), with each playlist involving an individually-prescribed series of pre-recorded exercise videos. Each session involved a dynamic warm-up followed by 11 resistance exercises using body weight and resistance bands, and finished with static stretching. Participants completed 1-2 sets of 5-12 repetitions at 4-7 on a modified 10-point rating of perceived exertion scale, which corresponded to qualitative descriptors of "moderate" to "hard". Resistance training stimuli were progressed weekly by increasing the external load, modifying the exercise selection, increasing the number of repetitions, and/or increasing the number of sets.
After the initial baseline assessment, participants recorded the number of steps they walked daily for seven days using a waist-worn pedometer. Participants maintained their usual physical activity levels during this period. Participants were then encouraged to increase their total steps walked each day by 5% each week during the 12-week intervention.