Effect of Sprint Interval Training Frequency on Improvements in Fitness
Launched by WILFRID LAURIER UNIVERSITY · Nov 15, 2023
Trial Information
Current as of June 26, 2025
Recruiting
Keywords
ClinConnect Summary
This clinical trial is studying how the number of times a week people exercise affects their fitness improvements. Specifically, it looks at healthy university students and aims to find out whether exercising two, three, or four times a week makes a difference in their cardiorespiratory fitness, which is an important measure of how well the heart and lungs work together during physical activity. Participants will start with a fitness test, then be divided into four groups: one that exercises two days a week, another that trains three days a week, a third that trains four days a week, and a control group that will not exercise at all. After four weeks of training, everyone will take the fitness test again to see how much they have improved.
To be eligible for this study, participants should be recreationally active, meaning they exercise at least two to three days a week but have not been part of a regular training program for the last three months. People who smoke, take certain supplements that can affect metabolism, or do not meet the activity requirements will not be included in the study. If you choose to participate, you can expect to engage in short, intense sprint workouts with breaks in between, while helping researchers learn more about how exercise frequency can boost fitness levels.
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • Recreationally active: exercising at least 2-3 days per week and not currently involved in, or had been involved in a systematic training program for at least 3 months prior to data collection.
- • Safe to become physically active based on the Canadian Society for Exercise Physiology - Get Active Questionnaire.
- Exclusion Criteria:
- • Smoking
- • Consuming supplements known to affect metabolism (e.g., creatine, carnitine, nitric oxide, brain chain amino acids).
- • Failure to meet inclusion criteria
About Wilfrid Laurier University
Wilfrid Laurier University is a prominent Canadian institution dedicated to advancing knowledge through innovative research and education. As a clinical trial sponsor, the university leverages its expertise in various fields to facilitate rigorous and ethical research initiatives aimed at improving health outcomes. With a commitment to collaboration and community engagement, Wilfrid Laurier University fosters an environment that supports the development of evidence-based solutions, contributing to the advancement of medical science and public health.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Waterloo, Ontario, Canada
Patients applied
Trial Officials
Tom J Hazell, PhD
Principal Investigator
Wilfrid Laurier University
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported