Leg crouches and tensing may boost blood pressure in fainting kids

NCT ID NCT05633693

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether simple leg movements, like crossing legs or tensing buttock muscles, can raise blood pressure in children aged 6-18 who faint often. Researchers will measure heart and blood flow responses during these movements in 30 children. The goal is to understand how body position and muscle use affect fainting, not to test a treatment.

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Conditions

The condition(s) this trial relates to.

Orthostatic Intolerance postural orthostatic tachycardia syndrome syncope, familial vasovagal Syncope, Vasovagal

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Simon Fraser University

    RECRUITING

    Burnaby, British Columbia, V5A1S6, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••