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Effects of HIIT Integrated in PE Classes, on Physical Condition, Physical Activity and Motivation for Exercise

NCT ID: NCT04022642

Last Updated: 2020-11-03

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

274 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-09-16

Study Completion Date

2020-03-13

Brief Summary

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Levels of activity and physical condition among adolescents are low, increasing the risk of chronic diseases. The most recent literature suggests that physical activity and physical condition are correlated with improved biopsychosocial variables of the young. The School and, concretely, the Physical Education classes are privileged spaces, promoters of positive changes for the rest of the life. HIIT is an efficient alternative to the invested time compared to aerobic training, being a powerful stimulus in improving cardiorespiratory performance, muscles oxidative capacity and sensitivity to insulin. This study intends to verify the effectiveness and feasibility in the implementation of HIIT in High-School Physical Education classes. The activity levels and physical condition of the adolescents will be evaluated and identified, before and after 16 weeks of implementation of the training program, as well as their effects on the motivation for the practice.

Detailed Description

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Conditions

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Adolescents

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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HIIT Group

Two HIIT sessions delivered at the beginning of Physical education classes

Group Type EXPERIMENTAL

High-Intensity Interval Training

Intervention Type OTHER

The program will be applied in the first 10-15 minutes of each PE class, twice a week, including a brief warm-up, ranged from 14 to 20 intervals, adopting a 2:1 work to rest ratio (ie, 30-s work, followed by 30-s rest)

A cut-point of \>=90% of maximal heart rate was used as our criterion for satisfactory compliance to high-intensity exercise

In order to estimate effort, fatigue and training load, a subjective effort scale will be used throughout each session. The heart rate will be monitored throughout the session in real time through Bluetooth technology.

Actigraph accelerometers (wGT3X-BT), randomly distributed by the students in each session, will be used to characterize the intensity of the sessions.

Control Group

Usual programmed Physical education classes

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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High-Intensity Interval Training

The program will be applied in the first 10-15 minutes of each PE class, twice a week, including a brief warm-up, ranged from 14 to 20 intervals, adopting a 2:1 work to rest ratio (ie, 30-s work, followed by 30-s rest)

A cut-point of \>=90% of maximal heart rate was used as our criterion for satisfactory compliance to high-intensity exercise

In order to estimate effort, fatigue and training load, a subjective effort scale will be used throughout each session. The heart rate will be monitored throughout the session in real time through Bluetooth technology.

Actigraph accelerometers (wGT3X-BT), randomly distributed by the students in each session, will be used to characterize the intensity of the sessions.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Students enrolled in years 10-12

Exclusion Criteria

* Students will be ineligible if they do not provide parental consent to participate
Minimum Eligible Age

15 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Agency for Science, Technology and Research

OTHER

Sponsor Role collaborator

University of Évora

OTHER

Sponsor Role lead

Responsible Party

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André Filipe Paulino da Silva Bento

Fellowship Researcher

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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André Bento

Role: PRINCIPAL_INVESTIGATOR

University of Évora

Locations

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Escola Secundária D. Manuel I

Beja, , Portugal

Site Status

Countries

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Portugal

Other Identifiers

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SFRH/BD/136869/2018

Identifier Type: -

Identifier Source: org_study_id