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New study aims to set standards for handgrip strength in adolescents

NCT ID NCT07408986

Knowledge-focused Sponsor: University of Extremadura Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study tested how reliable a digital dynamometer is for measuring handgrip strength in 50 healthy adolescents aged 15-16. Participants performed standardized strength tests for upper and lower limbs, and results were compared across two sessions. The goal is to establish normal reference values that could later help assess muscle health in people with medical conditions.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could provide reliable reference values for handgrip strength in adolescents, helping doctors assess muscle health in future patients.
What could go wrong
This is a small pilot study with only 50 healthy participants, so results may not apply to other ages or people with medical conditions. It does not test any treatment.

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.

Participants

50 people

The number who actually took part.

Started

Nov 2025

Finished

Jan 2026

Lead sponsor

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.

Who is studied

The study will include healthy adolescent students (initially aged 15-16 years) from local educational centers collaborating with the University of Extremadura. Participants will undergo non-invasive strength assessments using handheld dynamometry to establish normative reference values. In future phases, the study population may be expanded to include clinical cohorts (e.g., patients with musculoskeletal, neurological, or oncological pathologies) to explore the applicability of dynamometry in clinical assessment and rehabilitation contexts.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Healthy adolescents aged 15-16 years (for the current phase). * Ability to understand and follow verbal instructions. * Written informed consent provided by parent or legal guardian (for minors). * Assent given by the adolescent participant. * In future extensions: individuals aged 10-80 years, including those diagnosed with musculoskeletal, neurological, or oncological conditions, able to safely perform isometric contractions. Exclusion Criteria: * History of acute or chronic upper or lower limb injury in the last 6 months. * Neurological, cardiovascular, or systemic disorders that may limit maximal effort. * Current pain, inflammation, or post-surgical condition affecting muscle performance. * Cognitive or communication impairments preventing valid testing. * Refusal or withdrawal of informed consent at any point.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Adolescents Digital handgrip dynamometry Healthy participants Muscle strength Reliability

Contacts and locations

Locations

  • Facultad de Medicina y Ciencias de la Salud. Avenida de Elvas s/n

    Badajoz, Badajoz, 06006, Spain

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