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Utility and Validity of a High-intensity, Intermittent Exercise Protocol

NCT ID: NCT04531891

Last Updated: 2021-11-22

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

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-07

Study Completion Date

2021-11-19

Brief Summary

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The purpose of this study is to identify an exercise-induced fatigue protocol to mimic central and peripheral acute fatigue effects associated with participation in vigorous dynamic sports activities and to understand the expected central (cardiovascular) and peripheral (muscular) impact of this protocol.

Detailed Description

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Fatigue-related parameters (BORG, heart rate, blood lactate level, concentric/eccentric force of the quadriceps muscle) will be measured before and after different short-term high-intensity, intermittent exercise protocols.

Conditions

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Fatigue

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Each participant will randomly be assigned to two different fatigue protocols, on separate days. The first protocol is a high-intensity, intermittent exercise protocol and will be performed until complete exhaustion. The second protocol is a time-based variant of the previous protocol and will be performed during 5 minutes.
Primary Study Purpose

SCREENING

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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All-out, high-intensity, intermittent exercise protocol

Group Type EXPERIMENTAL

Fatigue protocol

Intervention Type OTHER

During the fatigue protocol, participants will sprint forward 5 m, cut at a 90° angle, sprint forward another 5 m, and backpedal 5 m. This activity will be repeated 4 times before participants will complete a series of hurdle activities. First, they will perform 2-legged jumps over 5 hurdles that are 30 cm high, turn, and repeat the jumps. Second, they will perform side-stepping exercises over the 5 hurdles. Third, they will complete four 5-m lateral shuffles.

5 min, high-intensity, intermittent exercise protocol

Group Type EXPERIMENTAL

Fatigue protocol

Intervention Type OTHER

During the fatigue protocol, participants will sprint forward 5 m, cut at a 90° angle, sprint forward another 5 m, and backpedal 5 m. This activity will be repeated 4 times before participants will complete a series of hurdle activities. First, they will perform 2-legged jumps over 5 hurdles that are 30 cm high, turn, and repeat the jumps. Second, they will perform side-stepping exercises over the 5 hurdles. Third, they will complete four 5-m lateral shuffles.

Interventions

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Fatigue protocol

During the fatigue protocol, participants will sprint forward 5 m, cut at a 90° angle, sprint forward another 5 m, and backpedal 5 m. This activity will be repeated 4 times before participants will complete a series of hurdle activities. First, they will perform 2-legged jumps over 5 hurdles that are 30 cm high, turn, and repeat the jumps. Second, they will perform side-stepping exercises over the 5 hurdles. Third, they will complete four 5-m lateral shuffles.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Men
* ≥ 18 years
* Volley- and basketball, non-elite
* ≥ 3 times per week sports participation
* No acute or overuse low back/lower extremity injuries in the past 6 months

Exclusion Criteria

* Women
* \<18 years
* \>45 years
* other sports than volley- and basketball
* elite players
* \<3 times per week sports participation
* acute or overuse low back/lower extremity injuries in the past 6 months
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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University Ghent

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Vakgroep Revalidatiewetenschappen

Ghent, Oost-Vlaanderen, Belgium

Site Status

Countries

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Belgium

Other Identifiers

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BC-07679

Identifier Type: -

Identifier Source: org_study_id