Vibration for Muscle Spasms After Spinal Cord Injury

Status Recruiting

Clinical Trial Summary

This study uses closed-loop control of tendon vibration to implement clinically meaningful management of muscle spasms after spinal cord injury (SCI), and to understand the mechanisms responsible for spasm generation change in response to vibration.

Clinical Trial Description

The specific aims of this study are listed below: 1a) Evaluate the ergonomics of the wearable device that will be used to record and detect spasms, then to deliver vibration to tendons to dampen spasms. 1. b) Determine the vibration parameters that best reduce spasms in leg muscles paralyzed by spinal cord injury (SCI) in the laboratory using the wearable device. 2. a) Examine the efficacy of tendon vibration in altering muscle spasms by treating spasms as they occur in real world environments using 24-hour electromyographic (EMG) recordings. Hypothesis 2a: Achilles tendon vibration will dampen spasms acutely, and may alter their distribution Assess excitatory and/or inhibitory mechanisms that underlie spasms, and changes induced with vibration, by recording physiological, clinical, functional and self-reported measures of different aspects of spasticity, and health-related quality of life, before and after conditioning spasms with vibration. These data will provide insight into the site(s), magnitude, and time-course of changes with vibration; and user perspective on the effects of the therapy. Achilles tendon vibration will dampen spasms by reconfiguring circuits generating 6-13 Hz shared drive to motoneurons. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03598504
Study type	Interventional
Source	Shirley Ryan AbilityLab
Contact	Monica Perez, PhD, PT
Phone	312-238-2886
Email	mperez04@sralab.org
Status	Recruiting
Phase	N/A
Start date	July 16, 2019
Completion date	June 30, 2023

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