Magnetomyography: magnetic fields around the human body produced by skeletal muscles
作者:
David Cohen,
Edward Givler,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 21,
issue 3
页码: 114-116
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654294
出版商: AIP
数据来源: AIP
摘要:
Measurements of the magnetic fields from skeletal muscles, called magnetomyograms (MMG's), have been taken in a heavily shielded room with a superconducting magnetometer. These magnetic fields appear to be produced by the same currents in the volume conductor, associated with muscle action potentials, which also produce the surface electromyogram (EMG). Unlike the EMG, however, the MMG can readily detect slowly changing or direct currents. The MMG's, which were taken at locations near the elbow and the palm of the hand, are shown along with their frequency spectra.
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