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Can a gentle squeeze supercharge shoulder rehab?

NCT ID NCT07765056

Symptom relief Sponsor: Universidad de La Frontera 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 14, 2026 · Last updated Aug 14, 2026

Summary

This randomized crossover trial explores whether adding a small amount of pressure during a shoulder rotation exercise increases activity in a key muscle (infraspinatus) without overworking others. Adults with and without chronic shoulder pain will perform the same exercise under three pressure levels while muscle activity is measured. The goal is to see if this simple tweak could improve exercise effectiveness for shoulder rehabilitation.

What this could mean

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

Active substance
Isometric shoulder adduction pressure during external rotation exercise
What this could lead to
If effective, this simple exercise adjustment could enhance rehabilitation for chronic shoulder pain by better targeting key muscles.
What could go wrong
The trial is small and measures muscle activity, not long-term pain relief, so benefits may not translate to real-world outcomes.

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

44 people

The number who actually took part.

Started

Aug 2023

Finished

Aug 2024

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 years and older

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: Shoulder Pain Group (SPG): * Adults aged 18 years or older. * Medical diagnosis of chronic non-traumatic shoulder pain lasting more than 3 months. * Resting pain intensity of at least 2 cm on a visual analogue scale (VAS). * Ability to perform at least 130° of shoulder flexion, 90° of shoulder abduction, and 45° of shoulder external rotation. Pain-Free Group (PFG): * Adults aged 18 years or older. * No current shoulder or neck symptoms. * No shoulder or neck symptoms during the previous 2 years. * No previous medical consultation for shoulder or neck discomfort. * Full shoulder abduction and external rotation range of motion. * Ability to perform pain-free maximal isometric contractions during shoulder abduction and external rotation. Exclusion Criteria: Shoulder Pain Group (SPG): * History of neck or upper limb surgery. * History of glenohumeral instability or upper limb fracture. * Neck pain or pain in another segment of the upper limb. * Systemic diseases that could influence shoulder movement or muscle activation, including rheumatoid arthritis or neuromuscular diseases. * Physical therapy treatment during the previous year for pain in the affected upper limb.

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Conditions

The condition(s) this trial relates to.

Musculoskeletal Pain

As listed by the trial registrant

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

Chronic shoulder pain

Contacts and locations

Locations

  • Universidad de La Frontera

    Temuco, La Araucanía, Chile

More trials for these conditions

Other studies related to the condition(s) this trial covers.