Use of EMG to Assess Clinical Hypertonia

Status Completed

Clinical Trial Summary

A handheld surface electromyography device will be tested by clinicians on children with limb hypertonia, and inter-rater reliability will be assessed with and without the device.

Clinical Trial Description

Hypothesis:

Qualitative surface EMG measurement during passive movement will increase the inter-rater reliability of clinicians for diagnosis of spasticity and dystonia in children with hypertonia.

Specific Aims:

1. Develop a handheld surface EMG device with auditory output that can be used similarly to a stethoscope to listen non-invasively to the activity of muscles.

2. Provide clinicians at 5 different institutions with a device to test for 2 months in their own clinics.

3. Bring all 5 clinicians to Stanford University for a single-day exercise in which each clinician will examine 10 children with hypertonia. Each clinician will rate the children without using the device, and then again with the device. Intra-class correlations and kappa statistics will be used to assess whether the use of the device leads to improved inter-rater reliability. ;

Study Design

Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00472914
Study type	Observational
Source	University of Southern California
Contact
Status	Completed
Phase	Phase 1/Phase 2
Start date	January 2007
Completion date	March 2007

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