Abstract
Electromyography (EMG) is the recording of the electrical activity of the muscle. The electrical activity is muscle action potentials from depolarised muscle fibres. Muscle fibres that belong to one motor unit are scattered throughout the muscle in such a way that fibres belonging to the same motor unit are rarely next to each other. When the motor unit is activated, all muscle fibres belonging to it are depolarised nearly synchronously and these muscle fibre action potentials summate to a motor unit action potential (MUAP).
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
Suggested Reading
American Association of Electrodiagnostic Medicine et al. (1993) Practice parameter for electrodiagnostic studies in carpal tunnel syndrome: summary statement. Muscle Nerve 16:1390–1391
Aminoff MJ (1999) Clinical electromyography. In: Aminoff MJ (ed) Electrodiagnosis in clinical neurology, 4th edn. Churchill Livingstone, Philadelphia, pp 223–252
Atroshi I, Gummesson C, Johnsson R, Ornstein E (2003) Diagnostic properties of nerve conduction tests in population-based carpal tunnel syndrome. BMC Musculoskelet Dis 4:9–12
Daube RD (1999) Nerve conduction studies. In: Aminoff MJ (ed) Electrodiagnosis in clinical neurology, 4th edn. Churchill Livingstone, Philadelphia, pp 253–289
Falck B, Andressen S, Groth T, Lang H, Melander M, Nurmi A, Puusa A, Rosenfalck A, Stalberg E, Suojanen M (1992) The development of a multicenter database for reference values in clinical neurophysiology: principles and examples. Comput Programs Biomed 34:145–162
Jablecki CK, Andary MT, So YT, Wilkins DE, Williams FH (1993) American Association of Electrodiagnostic Medicine Quality Assurance Committee: literature review of the usefulness of nerve conduction studies and electromyography for the evaluation of patients with carpal tunnel syndrome. Muscle Nerve 16:1392–1414
Jablecki CK, Andary MT, Floeter MK, Miller RG, Quartly CA, Vennix MJ, Wilson JR (2002) Practice parameter: electrodiagnostic studies in carpal tunnel syndrome. Report of the American Association of Electrodiagnostic Medicine. Neurology 58:1589–1592
Liveson JA, Ma DM (1992) Laboratory reference for clinical neurophysiology. Davis, Philadelphia
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2010 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
Fuglsang-Frederiksen, A., Hansen, P. (2010). Clinical Neurophysiology. In: Lumenta, C., Di Rocco, C., Haase, J., Mooij, J. (eds) Neurosurgery. European Manual of Medicine. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79565-0_20
Download citation
DOI: https://doi.org/10.1007/978-3-540-79565-0_20
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-79564-3
Online ISBN: 978-3-540-79565-0
eBook Packages: MedicineMedicine (R0)