[The ultimate electromyographic patterns in reinnervated muscle (author's transl)]. 1976

M Stöhr, and F Petruch, and F Schumm, and P Reill

We investigated 59 patients in later stages after section and suture (n =23) or transplantation (n = 36) of the ulnar or median nerve. The most typical change in electromyographic pattern consists in a markedly increase of mean amplitude, due to an increased number and concentration of muslce fibers in the reconstituted motor-units. The mean duration and the incidence of polyphasic potentials are only slightly increased, indicating a nearly synchronous excitement of the different muscle fibers of the various motor-units. In no case there is a complete recovery; the mean amplitude of evoked potentials in reinnervated muscles varied from 32% in poor-, to 62% in satisfactory reinnervation, compared with the corresponding normal muscle in the opposite hand.

UI MeSH Term Description Entries
D008475 Median Nerve A major nerve of the upper extremity. In humans, the fibers of the median nerve originate in the lower cervical and upper thoracic spinal cord (usually C6 to T1), travel via the brachial plexus, and supply sensory and motor innervation to parts of the forearm and hand. Median Nerves,Nerve, Median,Nerves, Median
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D004576 Electromyography Recording of the changes in electric potential of muscle by means of surface or needle electrodes. Electromyogram,Surface Electromyography,Electromyograms,Electromyographies,Electromyographies, Surface,Electromyography, Surface,Surface Electromyographies
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014459 Ulnar Nerve A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm. Nerve, Ulnar,Nerves, Ulnar,Ulnar Nerves

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