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Warming up back muscles before exercise may boost results, small study suggests

NCT ID NCT06852872

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study tested whether preheating the back muscles with diathermy (a type of deep heat therapy) before isolated lumbar extension training could improve strength and endurance. Twenty-five healthy adults aged 18–30 completed 18 training sessions over 9 weeks. Researchers measured force, endurance, muscle thickness, and flexibility. The goal was to see if adding heat before exercise makes training more effective.

What this could mean

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

Active substance
diathermy (TECAR therapy)
What this could lead to
If preheating boosts strength gains, this could point toward better rehabilitation programs for back health.
What could go wrong
This is a small, early study in healthy people only. Results may not apply to those with back pain or other conditions.

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

25 people

The number who actually took part.

Started

Apr 2024

Finished

Apr 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 30 years

Sex

Female participants only

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 * pain-free * sufficient understanding of the German language * able to give informed consent * between 18 and 30 Exclusion Criteria: * pregnant * medication * surgery of lumbar spine * knee or hip disorders * low back pain * pathologies or deformities of lumbar spine * other disorders * previous or current ILEX Training

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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

  • University of Applied Sciences and Arts of Southern Switzerland

    Landquart, Kanton Graubünden, 7302, Switzerland

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