REHIT Versus SMIT in Sedentary Young Women

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

COMPLETED

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-12-01

Study Completion Date

2022-04-30

Brief Summary

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Reduced-exertion high-intensity training (REHIT) is a novel form of exercise known for being non-classical, time-efficient, and effective on different populations. However, REHIT was scarcely tested on sedentary women with mortality risks. The aim of the study is to compare the effects of REHIT versus short moderate-intensity training (SMIT) on functional capacity, resting heart rate (RHR), and activity enjoyment in sedentary young women.

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Detailed Description

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The aim of the study is to compare the effects of reduced-exertion high-intensity training (REHIT) versus short moderate-intensity training (SMIT) on functional capacity, resting heart rate (RHR), and activity enjoyment in sedentary young women. Therefore, sedentary young women will be randomly allocated to either a: i) REHIT group or ii) SMIT group. Both groups will perform an intervention over 6 weeks duration for 10 minutes each session for 2 sessions/week, but with different intensities (REHIT or SMIT). Both forms of exercise will be conducted on a cycle ergometer with the subjects monitored throughout the intervention. Before and after the 3-week intervention, functional capacity (6-minute walking test) and RHR will be measured. Additionally, physical activity enjoyment (Physical Activity Enjoyment Scale) will be assessed after the intervention.

Conditions

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Sedentary Behavior

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

The outcomes assessor will be blinded to treatment group allocation. The blinded assessor will collect all baseline and post-intervention measures and enter data.

Study Groups

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Reduced-exertion high intensity training group

The REHIT part will consist of maximum cycling sprints of all-out exercise at 100% of the HRmax, increasing for up to 10 seconds, 15 seconds on week two and 20 seconds on week three.

Group Type EXPERIMENTAL

Reduced-exertion high intensity training

Intervention Type OTHER

The intervention of the REHIT group will consist of three parts: i) 3 minutes of warm-up part at 50% of HRmax obtained in the effort test; ii) 3 min 20 sec to 3 min 40 sec of REHIT; and iii) 3 minutes of cool-down at 50% of HRmax obtained in the effort test. The REHIT part will consist of maximum cycling sprints of all-out exercise at 100% of the HRmax, increasing for up to 10 seconds, 15 seconds on week two and 20 seconds on week three. Then, 3 minutes of active rest at 50% of HRmax. Finally, 10 seconds of all-out exercise at 100% of the HRmax, rising to 15 seconds on week two and 20 seconds on week three.

Short moderate intensity training group

The SMIT part of the session will consist of 6 minutes of moderate intensity exercise at 60-70% HRmax.

Group Type ACTIVE_COMPARATOR

Short moderate intensity training

Intervention Type OTHER

The SMIT group will receive a short moderate-intensity training with the same warm-up and cool-down exercises as the REHIT group. In addition, the main part of the session consisted of 6 minutes of moderate intensity exercise at 60-70% HRmax obtained in the effort test. In addition, the main part of the session increases 3 min every week as 6 min for the first 2 weeks, 9 min for the 3rd and 4th weeks, and 12 min for the last two weeks.

Interventions

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Reduced-exertion high intensity training

The intervention of the REHIT group will consist of three parts: i) 3 minutes of warm-up part at 50% of HRmax obtained in the effort test; ii) 3 min 20 sec to 3 min 40 sec of REHIT; and iii) 3 minutes of cool-down at 50% of HRmax obtained in the effort test. The REHIT part will consist of maximum cycling sprints of all-out exercise at 100% of the HRmax, increasing for up to 10 seconds, 15 seconds on week two and 20 seconds on week three. Then, 3 minutes of active rest at 50% of HRmax. Finally, 10 seconds of all-out exercise at 100% of the HRmax, rising to 15 seconds on week two and 20 seconds on week three.

Intervention Type OTHER

Short moderate intensity training

The SMIT group will receive a short moderate-intensity training with the same warm-up and cool-down exercises as the REHIT group. In addition, the main part of the session consisted of 6 minutes of moderate intensity exercise at 60-70% HRmax obtained in the effort test. In addition, the main part of the session increases 3 min every week as 6 min for the first 2 weeks, 9 min for the 3rd and 4th weeks, and 12 min for the last two weeks.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Women.
* Age between 18 and 25 years old.
* Those who score a low physical activity level (\< 600 METS min/week) in the International Physical Activity Questionnaire-short form.