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Study reveals best position for blood flow restriction exercise

NCT ID NCT06718582

Knowledge-focused Sponsor: Teri Herberger 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested how lying, sitting, or standing changes the effects of blood flow restriction (BFR) training on the heart, blood vessels, and muscles. Twenty-seven active adults wore special cuffs on their thighs during exercise. Researchers measured artery stiffness and muscle size to see which position works best. The goal is to make BFR training safer and 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
Delfi Training Device (blood flow restriction cuffs)
What this could lead to
If successful, this could help refine blood flow restriction training protocols for safer, more effective exercise programs.
What could go wrong
This is a small, early-stage study with only 27 participants, so results may not apply to everyone. It does not test long-term health 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

27 people

The number who actually took part.

Started

Feb 2025

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 40 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: * Physically active (\> 1,000 MET/min/wk) for at least six months. Weight stable for previous 6 months (+/-2.5 kg) Female subjects only- reported regular menstrual cycles for the last 2 years Exclusion Criteria: 1. BP\>140/90 mmHg 2. BMI\>40 kg/m2 3. Diabetes 4. Familial hypercholesterolemia 5. Past or current history of CHD, stroke or major CVD events. Respiratory diseases (not including asthma), endocrine or metabolic, neurological, or hematological disorders that would compromise the study or the health of the subject. 6. Women must not be pregnant, plan to become pregnant during the study, or be nursing 7. Active renal or liver disease 8. All medications and supplements that influence dependent variables\* 9. Recent surgery \< 2 months 10. Alcohol abuse 11. Sleep apnea 12. Claustrophobia

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As listed by the trial registrant

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

Arterial stiffness, blood pressure Blood flow restriction (BFR) training effects Muscle morphology Perceptions

Contacts and locations

Locations

  • Salisbury University

    Salisbury, Maryland, 21811, United States

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