High-Intensity Interval Training and Intermittent Fasting on Body Composition and Physical Performance in Active 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

14 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-09-01

Study Completion Date

2020-03-01

Brief Summary

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The objective of this study is to compare the body composition and physical performance effects of HIIT, with or without intermittent fasting intervention in active women. Fourteen active normal weight women aged 18-35 participated in the study. The effects of 2x8 weeks without (HIIT) or with (HIIT+IF) intermittent fasting caloric restriction (20% reduction in weekly energy intake) on body composition and performance (Hand-grip strength, Counter movement jump, Wingate Anaerobic 30 s Cycling Test), were compared. There were two weeks in between both phases when they did not perform the scheduled activity, so as not to alter the experimental phase.

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Detailed Description

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Conditions

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Body Composition Physical Performance Intermittent Fasting

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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PARTICIPANTS

A single-group crossover design was used to compare the effects of 2x8 weeks of high-intensity interval training without (HIIT) or with (HIIT+IF) intermittent fasting caloric restriction (20% reduction in weekly energy intake) on body composition and performance. There were two weeks in the middle of both phases in which they did not carry out programmed activity, in order not to alter the experimental phase.

Group Type EXPERIMENTAL

Intensity interval training (HIIT)

Intervention Type BEHAVIORAL

2x8 weeks of high-intensity interval training (HIIT)

Intensity interval training (HIIT) + intermittent fasting

Intervention Type BEHAVIORAL

2x8 high-intensity interval training with (HIIT+IF) intermittent fasting caloric restriction (20% reduction in weekly energy intake).

Interventions

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Intensity interval training (HIIT)

2x8 weeks of high-intensity interval training (HIIT)

Intervention Type BEHAVIORAL

Intensity interval training (HIIT) + intermittent fasting

2x8 high-intensity interval training with (HIIT+IF) intermittent fasting caloric restriction (20% reduction in weekly energy intake).

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. No muscular, ligamentous, bone, nerve or joint pathology incompatible with the training program.
2. Not to present cardiovascular or cardiorespiratory problems.
3. Physically active in the last 5 years, according to the American College of Sports Medicine (ACSM) definition.

Exclusion Criteria

1. Following pharmacological treatment or supplement.
2. Performing other sports activities that may influence the study results during their participation in the study.
3. Not following training or diet program guidelines or attending scheduled training sessions.

Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes