Exercise Snacks in Obesity
Efficacy of Exercise Snacks in Real-World Settings in Individuals Living With Obesity
University of British Columbia
80 participants
Jul 14, 2025
INTERVENTIONAL
Conditions
Summary
To conduct a randomized control trial to determine the feasibility and preliminary efficacy of a 12-week technology-enabled exercise snacks intervention with behaviour change counselling for improving cardiorespiratory fitness and various markers of cardiometabolic health in previously inactive adults living with obesity.
Eligibility
Inclusion Criteria10
- Aged 35-64 years.
- Habitually engaging in \< 150 min moderate-to-vigorous physical activity per week.
- Body mass index 30-45 kg/m2 or 27.5-45 for participants who self-identify as being of Asian or Southeast Asian origin.
- Waist circumference: \>88cm for females and \>102cm for males, or \>80 cm for females and \>90 cm for male participants who self-identify as being of Asian or Southeast Asian.
- Not currently diagnosed with a cardiometabolic disease (e.g., coronary artery disease, stroke, diabetes, non-alcoholic fatty liver disease).
- Taking ≤2 commonly prescribed medications for the prevention of cardiometabolic diseases (e.g., statins, antihypertensives).
- Not a current smoker
- Cleared to engage in physical activity using the Get Active Questionnaire and, if applicable, consultation with a health care provider or Qualified Exercise Professional.
- Access to a computer, tablet or smartphone for intervention delivery and tracking.
- Ability to read and write in English.
Exclusion Criteria8
- Chronic musculoskeletal condition or recent (within 2 years) cardiovascular event preventing participation in exercise.
- Lack of internet access.
- Angina upon exertion assessed by the Rose Angina Questionnaire.
- Prescribed beta-blockers that can compromise the validity of heart rate measurements. during the exercise test.
- Have a scheduled surgical procedure within the next 3-4 months that would prevent exercise participation.
- Currently participating in another clinical trial that interferes with the study procedures.
- Currently pregnant or planning on becoming pregnant during the intervention (i.e., within the next 4 months).
- Uncontrolled high blood pressure (\>160/90 mmHg)
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Interventions
The "movement breaks" will be individualized to exercise preferences and physical abilities (e.g., fitness, musculoskeletal issues) and adaptable to multiple environments (e.g., home, work) delivered via mobile phone application. Participants will be encouraged to incorporate the movement breaks into their daily schedule based on baseline exercise counselling.
The "movement breaks" will be individualized to exercise preferences and physical abilities (e.g., fitness, musculoskeletal issues) and adaptable to multiple environments (e.g., home, work) delivered via mobile phone application. Participants will be encouraged to incorporate the movement breaks into their daily schedule based on baseline exercise counselling.
Locations(2)
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NCT06924346