School strength training showdown: which program boosts Kids' agility best?
NCT ID NCT07690072
First seen Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time
Summary
This study compares two 20-week strength training programs—linear and nonlinear periodization—in schoolchildren aged 12-13. The goal is to see which approach better improves motor performance, such as jumping, throwing, and agility. The programs are done three times a week during extracurricular sessions. Results could guide schools in choosing effective exercise programs for children.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- periodized strength training program
- What this could lead to
- If successful, this could help schools design better physical education programs to improve children's motor skills and fitness.
- What could go wrong
- This is a small, early-stage study in one region, so results may not apply broadly. The training may not outperform standard physical activity.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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75 people
The number who actually took part.
- Started
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Feb 2023
- Finished
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Jul 2023
- 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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11 to 14 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: * Schoolchildren enrolled in one of the participating educational institutions. * Approximately 12-13 years of age. * Willing to participate in the study. * Written informed consent provided by parents or legal guardians. * Availability to participate in all assessment sessions. Exclusion Criteria: * Medical history that prevented participation in sports practice (cardiovascular disease, neurological disease, or chronic respiratory disease). * Musculoskeletal injuries and/or bone malformations at the time of the study. * Recent injury before study participation. * Absence during pre-test or post-test assessments. * Failure to attend at least 80% of the intervention sessions (experimental groups). * Participation in systematic physical activity or organized sports outside the school setting. * Lack of written parental or legal guardian consent.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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IE Normal Superior Pamplona
Pamplona, Norte de Santander Department, 543050, Colombia
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Institución Educativa Sede José Antonio Galán
Pamplona, Norte de Santander Department, 543050, Colombia
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Seminario Menor Santo tomas de Aquino
Pamplona, Norte de Santander Department, 543050, Colombia