Ultrasound could reveal hidden muscle activity in spinal stimulation
NCT ID NCT07206797
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether ultrasound can measure muscle activation caused by two types of stimulation: non-invasive spinal cord stimulation and functional electrical stimulation. Researchers will apply these stimulations to the ankle muscles of 30 healthy adults and compare the resulting torque and ultrasound images. The goal is to see if ultrasound can reliably track muscle activity, which could help improve therapies for people with spinal cord injury.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could show that ultrasound is a useful tool to measure muscle activity during stimulation, potentially improving rehabilitation strategies for people with spinal cord injury.
- What could go wrong
- This is a small, early-stage study in healthy volunteers, not patients. The results may not directly apply to people with spinal cord injury, and the technique may not work as expected in real-world settings.
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
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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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- Expected to finish
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Jun 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Between 18 and 60 years of age * Weight less than 220 lb * Healthy and able to walk at preferred speed without an assistive device * Able to tolerate functional electrical stimulation and tSCS. Exclusion Criteria: * Active infection * history of cancer, * broken skin, sores, or areas of acute eczema near the electrode sites * metal implants, such as staples or pins, near the electrode sites * any neurological disorders * difficulty walking or an orthopedic condition that would impede walking normally without assistance * absent sensation in the lower extremities or trunk (torso), * allergies to adhesive skin tapes and/or ultrasound gels, * heart conditions * an implanted electronic device such as a pacemaker * current pregnancy * having no physiological response to FES and/or tSCS.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Engineering Building III
RECRUITINGRaleigh, North Carolina, 27695, United States
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