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Which training builds better athletes? study pits eccentric vs concentric

NCT ID NCT07329348

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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 Results may not be published yet.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
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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

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Status unknown
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First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 79 male soccer players aged 18-30 to see how two different resistance training methods affect strength and endurance. One group did accentuated eccentric training (focusing on the muscle-lengthening phase) and the other did concentric training (focusing on the muscle-shortening phase), both using resistance bands for 8 weeks. The goal was to find out which approach improves athletic performance more.

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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

79 people

The number who actually took part.

Started

Mar 2025

Finished

Nov 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 30 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 soccer players * Age 18 to 30 years. * A minimum of two years of experience in Regular training * Athletes with BMI 18.5kg/m2 -24.9kg/m2 Exclusion Criteria: * • History of lower extremity surgeries (e.g., ACL reconstruction or any major surgery) in the past year * Athletes having consumption of Drugs which may influence Athlete performance. * Any systemic illness * Any musculoskeletal disorder * Pre-existing Cardiovascular and respiratory (exercise-induced asthma) conditions

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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

  • Model Town Football Club

    Lahore, Punjab Province, 54000, Pakistan

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