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Stretch or roll? study tests best way to loosen tight hamstrings

NCT ID NCT07024017

Symptom relief Sponsor: Pelin Pişirici 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether dynamic stretching or foam rolling works better for improving hamstring flexibility and muscle oxygen levels. Thirty-nine healthy adults with tight hamstrings did one session of either stretching or foam rolling. Researchers measured flexibility and muscle oxygenation before and after. The goal is to find simple, effective ways to improve movement and prevent injury.

What this could mean

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

Active substance
foam roller and dynamic stretching
What this could lead to
If successful, this could show that simple, at-home techniques like stretching or foam rolling can improve flexibility and muscle oxygen use.
What could go wrong
This is a small, completed trial in healthy individuals, so results may not apply to people with injuries or medical conditions. The effects are acute (single session) and may not last.

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

39 people

The number who actually took part.

Started

Apr 2025

Finished

May 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 35 years

Sex

Anyone

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: * Healthy individuals aged between 18 and 35 years * Both male and female participants * Absence of any known health conditions * Hamstring tightness defined as ≥20° of knee flexion angle in Active Knee Extension test Exclusion Criteria: * Any neuromuscular or orthopedic disorders affecting the lower extremities * Circulatory or vascular problems * Respiratory or cardiovascular diseases * Renal failure * Presence of pain during measurements or exercise protocols * Excessive skin sensitivity or active skin infection * History of intense physical activity within the last 48 hours

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As listed by the trial registrant

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

Hamstring contractures Muscle relaxation Muscle tightness

Contacts and locations

Locations

  • Bahcesehir University

    Istanbul, Beşiktaş, 34353, Turkey (Türkiye)

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