|Electromyogram of Shoulder—Used in Conjunction with Nerve Conduction Study|
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Reasons for Test
- Help diagnose the cause of pain, cramping, numbness, or weakness
- Determine if nerves are working properly
- Identify the difference between muscle and nerve disorders
- Monitor if a nerve is recovering from injury
What to Expect
Prior to Test
- Make sure you talk to your doctor about the medications you are taking.
- If you have myasthenia gravis, ask if you should take any medication before the test.
- If directed to, avoid cigarettes, coffee, tea, and soft drinks for 2-3 hours before the test.
- Shower the day of your test. Do not use any creams, moisturizers, or powders on your skin.
Description of Test
How Long Will It Take?
Will It Hurt?
Call Your Doctor
American Chronic Pain Association http://www.theacpa.org
National Institute of Neurological Disorders and Stroke http://www.ninds.nih.gov
Canadian Neurological Sciences Federation http://www.cnsfederation.org
Chronic Pain Association of Canada http://www.chronicpaincanada.com
Electrodiagnostic testing. American Academy of Orthopaedic Surgeons website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00270. Updated October 2007. Accessed June 23, 2015.
Specialized nerve tests: EMG, NCV, and SSEP. North American Spine Society website. Available at: http://www.knowyourback.org/Pages/Treatments/AssessmentTools/SpecializedNerveTests.aspx. Updated June 16, 2011. Accessed June 23, 2015.
Spinal diagnostics: nerve conduction studies. Cedars-Sinai website. Available at: http://www.cedars-sinai.edu/Patients/Programs-and-Services/Spine-Center/Conditions-and-Treatments/Diagnostic-Studies/Spinal-Diagnostics-Nerve-Conduction-Studies.aspx. Accessed June 23, 2015.
- Reviewer: Rimas Lukas, MD; Michael Woods, MD
- Review Date: 06/2015 -
- Update Date: 05/11/2013 -