Impact of sprint interval training frequency on fitness improvements
Effect of Sprint Interval Training Frequency on Cardiorespiratory Fitness Adaptations
This study is testing how different amounts of sprint interval training each week can improve fitness in healthy college students.
Quick facts
| Phase | Not applicable |
|---|---|
| Study type | Interventional |
| Enrollment | 100 (estimated) |
| Ages | 18 Years to 35 Years |
| Sex | All |
| Sponsor | Wilfrid Laurier University Academic / other |
| Locations | 1 site (Waterloo, Ontario) |
| Trial ID | NCT06142942 on ClinicalTrials.gov |
What this trial studies
This study investigates how varying the frequency of sprint interval training sessions affects fitness improvements in healthy university-aged students. Participants will undergo pre-testing to assess their fitness levels and sprint performance before being assigned to one of four groups: training 2, 3, or 4 days a week, or a no-exercise control group. Over a 4-week period, participants will complete multiple 30-second all-out sprints with rest intervals, followed by post-testing to evaluate changes in fitness. The primary focus is to determine the optimal training frequency for enhancing cardiorespiratory fitness.
Who should consider this trial
Good fit: Ideal candidates for this study are recreationally active university students who exercise at least 2-3 days per week.
Not a fit: Patients who smoke or are currently using supplements that affect metabolism may not benefit from this study.
Why it matters
Potential benefit: If successful, this study could provide insights into the most effective training frequency for improving fitness levels in young adults.
How similar studies have performed: Previous studies have shown varying success with interval training approaches, but this specific focus on training frequency is relatively novel.
Eligibility criteria
Show full inclusion / exclusion 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
Where this trial is running
Waterloo, Ontario
- Wilfrid Laurier University — Waterloo, Ontario, Canada (Recruiting)
Study contacts
- Principal investigator: Tom J Hazell, PhD — Wilfrid Laurier University
- Study coordinator: Tom J Hazell, PhD
- Email: thazell@wlu.ca
- Phone: 5488893902
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.