Kids' soccer Warm-Up showdown: stretching vs. drills
NCT ID NCT07310251
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how different warm-ups affect physical performance in 20 boys aged 8-13 who play soccer. It compares static stretching, dynamic stretching, and ball-specific drills to see which best improves jumping, sprinting, agility, and kicking speed. The goal is to find the most effective warm-up for young players.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Feb 2026
An estimate. Start dates often move.
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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8 to 13 years
- Sex
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Male participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male children aged 8 - 13 years, enrolled in a soccer school affiliated with amateur clubs in Chile. * Regular participation in organized soccer training (≥2 sessions per week) for at least six months prior to the study. * Absence of musculoskeletal or neurological injuries that could limit the ability to perform the warm-up or physical performance assessments. * Availability of appropriate sports clothing and footwear for testing sessions. * No concurrent participation in other soccer schools or competitive teams during the study period. * No official matches or competitions scheduled on the same days as the experimental sessions. * Signed assent and informed consent provided by the participant and a parent or legal guardian, respectively. Exclusion Criteria: * Sustain an injury or illness during the study period that prevents participation in testing. * Fail to complete all four experimental conditions or physical assessments. * Demonstrate non-compliance with the warm-up instructions or assessment procedures.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
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Contacts and locations
Locations
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Universidad Católica del Maule
Talca, Talca, 3465548, Chile