Use of EMG to Assess Clinical Hypertonia

University of Southern California logo

University of Southern California

Status

Completed

Conditions

Spasticity
Dystonia
Rigidity
Cerebral Palsy
Hypertonia

Treatments

Device: portable surface electromyography

Study type

Observational

Funder types

Other

Identifiers

NCT00472914
EMG auditory

Details and patient eligibility

About

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.

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

Sex

All

Ages

6 to 18 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age 6-18
  • hypertonia in at least one limb due to spasticity

Exclusion criteria

any condition that would increase the risk of participation

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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