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Zapping the brain: a new way to Jump-Start muscle power?

NCT ID NCT07831512

NEW Knowledge-focused Sponsor: Federal University of Vicosa Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 21, 2026 · Last updated Sep 21, 2026

Summary

Researchers at the Federal University of Vicosa are testing whether transcranial direct current stimulation (tDCS) changes muscle power during flywheel squats. The trial enrolls 22 physically active men aged 18 to 40 with strength training experience. Each participant receives anodal, cathodal, or sham tDCS in random order, then performs four sets of flywheel squats while researchers measure power, muscle activation, and perceived effort.

What this could mean

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

Active substance
transcranial direct current stimulation (tDCS), a mild electrical current applied to the scalp
What this could lead to
If tDCS boosts power during flywheel squats, athletes and coaches could gain a simple, non-drug way to sharpen training sessions.
What could go wrong
This is a small, short-term study in 22 trained men, so any effect may be tiny, temporary, or absent outside this group. tDCS can cause scalp tingling or mild discomfort.

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

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

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

An estimate. End dates often move.

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.

Ages

18 to 40 years

Sex

Male participants only

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: 1. Male sex, 2. Age 18-40 years, 3. Performance of barbell squats with a load \> 1.5 times body mass (BM), 4. No current use or use within the last 6 months of ergogenic aids, 5. No history of muscle and/or ligament injuries in the last six months, 6. Absence of skin conditions that could be affected by tDCS, 7. Absence of unstable medical conditions, 8. No metallic objects near the electrodes. Exclusion Criteria: 1. Failure to complete any stage of the study, 2. Injury during the intervention, 3. Reports of unbearable discomfort.

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As listed by the trial registrant

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

Transcranial direct current stimulation

How to take part

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  1. The official record

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