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Single-Leg squats vs Double-Leg squats: which boosts performance more?

NCT ID NCT07644741

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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether doing squats on one leg or both legs works better for improving jumping and sprinting in elite youth futsal players. Seventeen players did six weeks of supervised squat training twice a week, while continuing their regular futsal practice. Researchers measured jump height, sprint time, and leg strength to see which squat method gave better results.

What this could mean

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

Active substance
Velocity-based squat training (unilateral or bilateral)
What this could lead to
If it works, this could help coaches choose the best squat type to improve jump height and sprint speed in young futsal players.
What could go wrong
This is a very small study (17 players) in one specific sport, so results may not apply to other athletes or settings. It only lasted six weeks.

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

17 people

The number who actually took part.

Started

Aug 2023

Finished

Nov 2023

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

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

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Competitive futsal experience of at least two years. * Affiliation with the Antioqueña regional futsal squad. * Technical proficiency in bilateral squat and single-leg squat execution, verified by an accredited specialist. * No musculoskeletal injury during the three months before enrolment. * No pharmacological, ergogenic, or supplementary intervention likely to influence physical performance. * Exclusive participation in standard futsal training during the intervention period. * Written informed assent from the participant and written informed consent from a parent or legal guardian when required by age. Exclusion Criteria * Musculoskeletal injury during the three months before enrolment. * Inability to perform bilateral or single-leg squat exercises with acceptable technique. * Participation in another structured lower-limb strength training programme during the study period. * Use of pharmacological, ergogenic, or supplementary interventions likely to affect performance. * Failure to complete baseline testing, the training intervention, or post-intervention testing. * Withdrawal of participant assent or parental/legal guardian consent.

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As listed by the trial registrant

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

Athletic performance enhancement FUTSAL Jump performance Sprint performance

Contacts and locations

Locations

  • Tecnológico de Antioquia

    Guarne, Antioquia, 054080, Colombia

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