The origin of the premotor potential recorded from the second lumbrical muscle in normal man

Highlights ► The premotor potential from the second lumbrical (2L) muscle is composed of a SNAP arising from antidromically activated palmar sensory branches and a far-field potential generated by digital nerve fibers as they pass from the palm into the second finger. ► The premotor potential from t...

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Veröffentlicht in:	Clinical neurophysiology 2011-10, Vol.122 (10), p.2089-2092
Hauptverfasser:	Masakado, Yoshihisa, Kodama, Mitsuhiko, Takahashi, Osamu, Sasao, Yu, Kasahara, Takashi, Hyodo, Masaki, Hanayama, Kozo, Fujita, Yoshiyuki
Format:	Artikel
Sprache:	eng
Schlagworte:	Action Potentials - physiology Adult Biological and medical sciences Cranial nerves. Spinal roots. Peripheral nerves. Autonomic nervous system. Gustation. Olfaction Electrodiagnosis. Electric activity recording Far field potential Female Hand - innervation Hand - physiology Humans Investigative techniques, diagnostic techniques (general aspects) Male Median nerve Median Nerve - physiology Medical sciences Middle Aged Motor Cortex - physiology Multichannel recording Muscle, Skeletal - innervation Muscle, Skeletal - physiology Nervous system Nervous system (semeiology, syndromes) Neural Conduction - physiology Neurology Premotor potential Sensory nerve action potential
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Zusammenfassung:	Highlights ► The premotor potential from the second lumbrical (2L) muscle is composed of a SNAP arising from antidromically activated palmar sensory branches and a far-field potential generated by digital nerve fibers as they pass from the palm into the second finger. ► The premotor potential from the 2L muscle is a composite potential, not of a single origin. ► When diagnosing carpal tunnel syndrome, the premotor potential may affect the onset of the potential in the 2L muscle.
ISSN:	1388-2457 1872-8952
DOI:	10.1016/j.clinph.2011.02.037