Effects of a Short-term Aerobic Interval Exercise Program on Cardiac Fat and Function in Women With Obesity: A Pilot Study

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

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2021-03-16

Study Completion Date

2021-04-16

Brief Summary

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The overall goal of this project is to the study the effects of an aerobic interval training program on cardiac fat, and its relationship to cardiac function using cardiac Magnetic Resonance Imaging.

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Detailed Description

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Conditions

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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Aerobic interval

Aerobic interval will consist of a supervised aerobic interval training sessions 3 times/week. Duration will range between 45-50 min/session depending on the exercise energy expenditure (target expenditure \~450-500kcal/session). Each interval will have a total duration of 5 min, and it will be divided into 2 periods. The first period will consist of 3 minutes of high-intensity activity at 70-85% of predicted HRmax, and for the second period the intensity will be reduced to 60-65% of predicted HRmax for 2 minutes. The training sessions will be carried out outdoors at the trails located on campus. The activity will consist of walking and/or light jogging. The speed/incline will be changed depending on the participants' heart rate and perception using the Borg's rating of perceived exertion (RPE) as needed. The RPE for the first period range will be 13-17 (15-17 at the end of the period) and 10-12 for the second period.

Group Type EXPERIMENTAL

Aerobic Interval Training

Intervention Type OTHER

The aerobic interval training group

Control group

Participants in the control group will not participate in the training programs.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Aerobic Interval Training

The aerobic interval training group

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* females, age 18-40 years old, body mass index (BMI) ≥ 30 kg/m2 and \< 39.9 kg/m2, without known metabolic and/or cardiovascular disease

Exclusion Criteria

* known CV, metabolic or pulmonary diseases or conditions, muscular-skeletal injuries (i.e. spine, knees, hips or shoulders, taking medications that affect endocrine or cardiovascular function, hypertension, being engaged in moderate intensity exercise more than two times per week or moderate-high intensity training of any type and frequency, being pregnant, cigarette smoking, having non-removable pieces or devices incompatible with DXA and CMR assessment

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes