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Could radiofrequency heat therapy help heal tummy muscles after pregnancy?

NCT ID NCT05731479

Disease control Sponsor: University of Valencia Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tested whether adding radiofrequency diathermy (a heat therapy) to a standard exercise program helps women with abdominal diastasis (separated tummy muscles) after childbirth. Thirty-four women aged 18–45 who were 3–24 months postpartum participated. They received either real diathermy plus exercise or a placebo plus exercise for 8 weeks. The goal was to see if the combination reduces muscle separation and improves strength, body composition, and quality of life.

What this could mean

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

Active substance
radiofrequency diathermy
What this could lead to
If it works, this could offer a non-surgical option to reduce abdominal muscle separation and improve strength and quality of life in postpartum women.
What could go wrong
This is a small, early-stage trial with only 34 participants, so results may not apply widely. The treatment is added to exercise, so benefits may come from exercise alone.

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

34 people

The number who actually took part.

Started

Jan 2023

Finished

Oct 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

Female 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: * Women aged 18 to 45 years, * 3 to 24 months postpartum * Criteria of abdominal diastasis according to Beer's criteria (Beer et al.2009) Exclusion Criteria: * Rejection to sign the informed consent form * Presence of any metabolic, neurological or connective tissue disease, as well as cognitive alterations.

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Conditions

The condition(s) this trial relates to.

diastasis recti and weakness of the linea alba

As listed by the trial registrant

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

Abdominal diastasis

Contacts and locations

Locations

  • Faculty of Physiotherapy. University of Valencia

    Valencia, Valencia, 46002, Spain