Can hamstring curls get footballers back on the pitch faster?

NCT ID NCT07115316

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Sep 09, 2026 · Updated 3 times

Summary

This study looks at whether adding eccentric hamstring contractions (like Nordic curls) to standard physiotherapy can improve sports performance and quality of life in young male football players with a mild, non-contact ACL injury. About 180 players aged 19-25 from the UAE will be randomly assigned to either the special hamstring program or standard physiotherapy. The main goal is to see if they can jump higher after treatment.

What this could mean

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

Active substance
eccentric hamstring contractions and physiotherapy exercises
What this could lead to
If it works, this could point toward a better rehabilitation program for young athletes with mild ACL injuries, helping them return to sport faster and with less risk of re-injury.
What could go wrong
This is a small, early-phase trial with only 180 participants, all young male football players in the UAE, so results may not apply to other groups. The exercises are non-invasive but may not outperform standard physiotherapy.

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

180 people

The number who actually took part.

Started

Jan 2025

Finished

May 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

19 to 25 years

Sex

Male participants only

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: * physician-diagnosed non-contact acute grade 1 ACL injury within the past 6 weeks will be invited from the selected clubs for participation in the trial. Participants who can perform full Range of Motion in the injured knee without pain will be included. Male football players between age 19-25 years old, currently playing in UAE, who speak English language and with physician-diagnosed non-contact grade 1 ACL injury will be included in the trial. Exclusion Criteria: * • Players with contact ACL injuries. * Players with chronic grade 1 ACL Injuries. * If pain and swelling are severe and occur within 24 hours after exercise, will be excluded from the study. * Grade 2 and above ACL injuries. * Female players. * Players aged below 18 years or above 25 years. * Players with a history of surgery on the same knee. * Players with injuries to the menisci or other ligaments. * Players who do not speak English. * Players who refuse to provide written informed consent to participate in the trial. * Players currently enrolled in other formal rehabilitation programs.

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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

  • Emirates Health services

    Ras al-Khaimah, Emirate of Ras Al Khaimah, 0000, United Arab Emirates