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Effect of Sprint Interval Training Frequency on Improvements in Fitness

NCT ID: NCT06142942

Last Updated: 2023-11-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-01

Study Completion Date

2024-08-31

Brief Summary

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The goal of this study is to learn how the number of weekly exercise sessions affects improvements in fitness in healthy university aged students. The main question it aims to answer is how training frequency affects improvements in fitness. Participants will complete a pre-testing sessions to assess fitness level and sprint performance. Following this participants are assigned to one of four groups. A group that exercises 2 days a week, a group that trains 3 days a week, a group that trains 4 days a week, or a no-exercise control group. Participants in this group will not complete any training and allow the researchers to compare the exercise groups to a group that didn't train. Each participant will train for 4 weeks. During each training session participants will complete 4-6 30 second all-out sprints with 4 minutes of rest between each. Participants will complete the same tests they did during the pre-testing session following the 4 weeks of training to see how frequency affects improvements.

Detailed Description

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Conditions

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Cardiorespiratory Fitness

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Following pre-testing participants are assigned to one of the four groups based on their baseline cardiorespiratory fitness to ensure no differences between groups at baseline. Participants will train 2, 3, or 4 days a week, or be assigned to the control group (no training) and re-test following the 4 week intervention.
Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors
All pre- and post-testing is completed by researchers not involved in training, and thus are blinded to which group participants are assigned to. This prevents any potential bias when researchers are completing post-testing sessions.

Study Groups

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2 days per week group

Participants in this group complete 2 training sessions each week (Monday and Thursday).

Group Type EXPERIMENTAL

Exercise Intervention

Intervention Type OTHER

Participants will complete an exercise intervention where they will exercise 2, 3, or 4 days per week for 4 weeks.

3 days per week group

Participants in this group complete 3 training sessions each week (Monday, Wednesday, and Friday).

Group Type EXPERIMENTAL

Exercise Intervention

Intervention Type OTHER

Participants will complete an exercise intervention where they will exercise 2, 3, or 4 days per week for 4 weeks.

4 days per week group

Participants in this group complete 4 training sessions each week (Monday, Tuesday, Thursday, and Friday).

Group Type EXPERIMENTAL

Exercise Intervention

Intervention Type OTHER

Participants will complete an exercise intervention where they will exercise 2, 3, or 4 days per week for 4 weeks.

No-exercise Control group

This group does not complete any training intervention. They are asked to maintain their regular physical activity habits.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Exercise Intervention

Participants will complete an exercise intervention where they will exercise 2, 3, or 4 days per week for 4 weeks.

Intervention Type OTHER

Eligibility Criteria

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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).
Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Wilfrid Laurier University

OTHER

Sponsor Role lead

Responsible Party

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Tom Hazell

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Tom J Hazell, PhD

Role: PRINCIPAL_INVESTIGATOR

Wilfrid Laurier University

Locations

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Wilfrid Laurier University

Waterloo, Ontario, Canada

Site Status RECRUITING

Countries

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Canada

Central Contacts

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Tom J Hazell, PhD

Role: CONTACT

[email protected]
5488893902

Facility Contacts

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Tom J Hazell, PhD

Role: primary

[email protected]
548-889-3902

Other Identifiers

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EMRL-23-01

Identifier Type: -

Identifier Source: org_study_id