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Heavy squats vs. jogging: which Warm-Up gives footballers a higher jump?

NCT ID NCT06982937

Knowledge-focused Sponsor: The Jerzy Kukuczka Academy of Physical Education in Katowice 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether doing 2-3 heavy half-squats can instantly boost jump height in football players compared to light jogging. Researchers measured muscle speed, size, and nerve signals in 44 healthy male players aged 18-21. The goal is to help athletes choose the best warm-up for better performance right before a game.

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

44 people

The number who actually took part.

Started

Feb 2025

Finished

Jul 2025

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 23 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: * Male football players aged 18-23 years * Minimum of 3 structured training sessions per week for the past 6 months * No history of lower-limb musculoskeletal injuries (e.g., ligament sprain, muscle tear) within the past 2 months * No diagnosed dermatological conditions affecting electrode placement (e.g., psoriasis, eczema) * No cardiovascular disease (e.g., hypertension, arrhythmia) * No neuromuscular disorders (e.g., neuropathy, myopathy) on clinical examination * Able to complete a 1RM half-squat protocol and countermovement jump without pain Exclusion Criteria: * Use of performance-enhancing supplements/medications within 2 weeks prior to enrollment * Missed more than 4 scheduled training sessions per month over the past 2 months * Blood pressure \>140/90 mmHg at rest or resting heart rate \>90 bpm * Any contraindication to electrical stimulation (e.g., pacemaker, implanted metal device) * Failure to provide written informed consent or withdrawal of consent at any time

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As listed by the trial registrant

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

Contraction MHC-I Muscle activation Neuromuscular function Postactivation potentiation Tensiomyography Ultrasonography

Contacts and locations

Locations

  • The Jerzy Kukuczka Academy of Physical Education in Katowice

    Katowice, Silesian Voivodeship, 40-065, Poland

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