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Journal article

Muscle sounds in Parkinson's disease.

Abstract:

BACKGROUND: A sound with a frequency of around 40 Hz can be heard, with a stethoscope, in the muscles of the hand and forearm during tonic contraction or movement. This sound is the acoustic correlate of the Piper rhythm seen in electromyographic records of muscle activity. The way in which motor activity is organised at the cortical level may determine the frequency of the sound heard. METHODS: The wrist extensor muscles in the forearm of seven patients with idiopathic Parkinson's disease, s...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Sub department:
Institute of Biomedical Engineering
Role:
Author
Journal:
Lancet
Volume:
349
Issue:
9051
Pages:
533-535
Publication date:
1997-02-01
DOI:
EISSN:
1474-547X
ISSN:
0140-6736
Source identifiers:
368980
Language:
English
Keywords:
Pubs id:
pubs:368980
UUID:
uuid:75fa1896-ad2b-43fc-a486-a06eaa3f9f16
Local pid:
pubs:368980
Deposit date:
2013-11-17

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