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How little stretching do you really need? new study aims to find out

NCT ID NCT06960590

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 12, 2026 · Updated 3 times

Summary

This study tested 51 healthy adults to find the smallest weekly dose of static stretching that still improves flexibility. Participants did 1 to 3 stretching sessions per week for 6 weeks, with total stretching time ranging from 45 to 135 seconds per week. The goal is to replace guesswork with evidence-based stretching recommendations.

What this could mean

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

Active substance
static stretching
What this could lead to
If successful, this could provide clear, simple guidelines on the minimum stretching needed to improve flexibility, saving time for people who exercise or do physical therapy.
What could go wrong
This is a small, early-stage study with only 51 participants. The results may not apply to everyone, and the exact minimal dose may still be unclear.

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

300 people

The number who actually took part.

Started

Mar 2025

Finished

Aug 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 25 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: * Age over 18 years, * No lower limb injuries, no spinal injuries and no craniocerebral injuries in the last 6 months, * No lower limb surgeries, no spinal surgeries and no central nervous system surgeries in the last 6 months, Exclusion Criteria: * Age under 18 years * Injuries to the lower limbs, spine or craniocerebral injuries within the last 6 months, * Surgical procedures to the lower limbs, spine or surgical procedures to the central nervous system within the last 6 months,

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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

  • Józef Piłsudski Academy of Physical Education in Warsaw

    Warsaw, Poland

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