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Shock waves zapped stiff muscles in small trial

NCT ID NCT06934668

Knowledge-focused Sponsor: University of Primorska Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a treatment called extracorporeal shock wave therapy (ESWT) can reduce stiffness in the upper back muscle (trapezius). Researchers used a special ultrasound technique to measure muscle stiffness before and after treatment. The study involved 40 healthy adults aged 18 to 45. The goal was to better understand if ESWT works for muscle stiffness, not to treat a disease.

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

40 people

The number who actually took part.

Started

Apr 2025

Finished

Jun 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 45 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 between 18 and 45 years * Healthy individuals with no current musculoskeletal or neurological disorders * No history of neck or shoulder surgery * Willingness to abstain from vigorous upper-body exercise 24 hours prior to -measurements Exclusion Criteria: * Presence of neck or shoulder pain within the past 3 months * Diagnosed myofascial pain syndrome or fibromyalgia * History of cervical spine injury or neurological conditions affecting upper limbs * Use of analgesic or muscle relaxant medication within 48 hours prior to testing * Pregnancy * Contraindications to ESWT (e.g., bleeding disorders, pacemaker, malignancy in treatment area)

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As listed by the trial registrant

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

Muscle stiffness

Contacts and locations

Locations

  • University of Primorska, Faculty of Health Sciences, Izola

    Izola, Municipality of Izola, 6310, Slovenia

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