The Effect of Exercise Intensity on Adherence

NCT05057416 | Unknown

• 1 other identifier: 119244
• Study Type: interventional
• Target: 30
• Locations: 1 country
• Sites: 2

Brief Summary

This study aims to advance the knowledge of a novel strategy of exercise to help people achieve the health benefits of exercise in less commitment time. As opposed to the traditionally recommended long periods (60 min) of moderate intensity exercise, this study will examine the effects of two exercise programs which consist of different intensities and repeated bouts of short intense exercise followed by rest periods. By incorporating short intense bouts of exercise, it may be possible that individuals enjoy this strategy of exercising more, which may influence them to continue to train in this way, increase their exercise levels in daily life and achieve exercise-related health benefits. Overall healthy women will be divided into a novel sprint interval training group or a high intensity interval training group or a traditional moderate intensity continuous training group. To evaluate the success of each training approach, a health-related quality of life questionnaire, one mile run test, weight, strength test and adherence to study requirements will be assessed over a 6-week period. The investigators hypothesize that the sprint interval training group will experience greatest strength measurements, will lose most body fat, have the greatest exercise benefits and will enjoy the novel training program more and will therefore adhere to the program more than the moderate continuous training group.

Conditions

Exercise Adherence; Physical Activity Enjoyment; Cardiometabolic Health; Cardiovascular Health

Outcome Measures

Primary Outcomes (2)

• Physical Activity Enjoyment

  The enjoyment that participants experienced during the assigned intensity of exercise measured by the Physical Activity Enjoyment Scale (PAES).

  8 weeks

• Adherence to Exercise

  Participants will report whether or not they have continued with the plan throughout the study duration through a weekly exercise diary.

  8 weeks

Secondary Outcomes (1)

• Exercise endurance

  8 weeks

Study Arms (3)

High Intensity Interval Training (HIIT) Protocol

EXPERIMENTAL

Participants in the HIIT group will start with a 2.5-minute warm-up at about 30% VO2 max. The participants will then complete 3 running bouts at 80-90% VO2 max. Each running bout will be separated by 2 minutes of active rest where the participants will walk at 50% VO2 max. The total exercise time of this protocol will be 15 minutes. Finally, the participants will finish with a 2.5 min cool-down where they will walk at a light intensity of 30% VO2 max, for a total exercise duration of 20 minutes.

Behavioral: Exercise Adherence

Sprint Interval Training (SIT) Protocol

EXPERIMENTAL

Participants in the Sprint Interval Training group will perform a 2.5-minute warm up at a VO2 max of 30%. Next, the participants will perform 6 all-out sprints at 150-200% of VO2 max, separated by 2-minute active rests at 50% VO2 max. The total exercise time of the SIT protocol is about 14 minutes. Finally, the participants will perform a walking cool-down of 3.5 minutes at 30% VO2 max, for a total exercise duration of 20 minutes.

Behavioral: Exercise Adherence

Moderate Intensity Continuous Training (MICT)Protocol

EXPERIMENTAL

Participants in the Moderate Intensity Continuous Training group will first be warming up for 2.5 minutes at a VO2 max of 30%. After the warm up, participants will be running for 15 minutes at 45-60% of VO2 max. Finally, the participants will perform a 2.5-minute cool-down at 30% VO2 max, for a total exercise duration of 20 minutes.

Behavioral: Exercise Adherence

Interventions

Exercise Adherence BEHAVIORAL

Our current study will compare three exercise groups which will all vary in intensity. Participants will be randomly assigned to one of the three groups. Two groups will be assigned to high intensity bouts of exercise with an active rest between, and one group will perform moderate intensity continuous training without resting. All groups will exercise for 20 minutes. Exercise adherence and it will be measured by a self-report online Google Document.

High Intensity Interval Training (HIIT) Protocol; Moderate Intensity Continuous Training (MICT)Protocol; Sprint Interval Training (SIT) Protocol

Eligibility Criteria

• Age: 20 Years - 49 Years
• Gender Eligibility Details: Female
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Female
• Participants must be between 20-49 years old
• Sedentary- completing less than 1 hour per week of leisure time physical activity over the prior 12 months and/or not meeting the CSEP guidelines of 150 minutes of moderate to vigorous physical activity per week
• Generally healthy males and females, no racial or gender bias.

You may not qualify if:

• Male
• Diagnosis of diabetes
• Taking glucose lowering medication
• Uncontrolled hypertension blood pressure \>160/90
• History of heart disease
• Previous myocardial infarction or stroke
• Contraindications of exercise

Sponsors & Collaborators

• Western University, Canada: lead

Study Sites (2)

Exercise Nutrition Laboratory (Western University)

London, Ontario, N6A 3K7, Canada

Location

Exercise Nutrition Laboratory, Western University

London, Ontario, N6A3K7, Canada

Location

Related Links

• Related Info
• Related Info
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Study Officials

• Peter Lemon, PHD

  Western University

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Magdalena Helbin, BSc

CONTACT

16476241276; magdalena.helbin@gmail.com

Peter Lemon, PHD

CONTACT

plemon@uwo.ca

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: BASIC SCIENCE
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Professor

Model Details: This study will be include females aged 20-49, 3 exercise conditions analyzed for exercise enjoyment and adherence. It will involve 30 women assigned randomly to one of three exercise groups with a specific exercise protocol with various intensities. The study will be 8 weeks in duration.

Study Record Dates

• First Submitted: August 16, 2021
• First Posted: September 27, 2021
• Study Start: December 2, 2021
• Primary Completion: January 1, 2022
• Study Completion: August 1, 2022
• Last Updated: November 26, 2021

Record last verified: 2021-11

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP
• Time Frame: September 2022

Locations

CA (2)