Sprint to Fitness: Effect of Outcome Expectations on Responses to Interval Exercise Training

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

66 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-11-29

Study Completion Date

2019-10-21

Brief Summary

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The purpose of this study is to research the effects of exercising at high intensities for short periods of time on exercise tolerance and motivation.

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Detailed Description

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The proposed research will investigate whether adding a treatment component that focuses on positive outcome expectations of a high-intensity interval training (HIIT) intervention produces greater improvements in psychological and physiological study outcomes. This project will yield empirical evidence that will inform how to help Americans meet physical activity guidelines; how to develop exercise programs that are more likely to promote exercise as a habit; and maintenance of health and a healthy body weight.

Conditions

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Overweight Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Participants

Study Groups

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HIIT + POE

High-intensity interval training (HIIT) plus positive outcome expectations (POE) from participating in the exercise program.

Group Type EXPERIMENTAL

HIIT + POE

Intervention Type OTHER

Subjects will participate in high-intensity interval training (HIIT) with an additional treatment component to increase positive outcome expectations (POE) of exercise.

HIIT only

High-intensity interval training (HIIT) only.

Group Type EXPERIMENTAL

HIIT only

Intervention Type OTHER

Subjects will participate in high-intensity interval training (HIIT) only.

Interventions

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HIIT + POE

Subjects will participate in high-intensity interval training (HIIT) with an additional treatment component to increase positive outcome expectations (POE) of exercise.

Intervention Type OTHER

HIIT only

Subjects will participate in high-intensity interval training (HIIT) only.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Body Mass Index of 25-35 kg/m2
* Sedentary (not regularly engaging in exercise more than once per week)
* Weight stable (have not lost or gained over 10 pounds of body weight in the past 3 months)

Exclusion Criteria

* Taking any medications that affect energy expenditure or treat high blood pressure
* Tobacco use
* Pregnant or breastfeeding or plan to become pregnant in the next 3 months
* Have any medical conditions that prevent subject from safely exercising (e.g., orthopedic injuries, cardiovascular, liver, endocrine, or pulmonary diseases)
* Resting systolic blood pressure ≥ 140 mmHg
* Resting diastolic blood pressure ≥ 90 mmHg
* Non-fasting plasma glucose of ≥ 200 mg/dl

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes