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Form factor analysi...
Form factor analysis of the surface electromyographic interference pattern
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- Nandedkar, Sanjeev D. (författare)
- Natus Neuro, Hopewell Jct, NY USA.;Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA.
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- Barkhaus, Paul E. (författare)
- Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA.
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- Stålberg, Erik (författare)
- Uppsala universitet,Rostedt Punga: Klinisk neurofysiologi
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Natus Neuro, Hopewell Jct, NY USA;Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA. Med Coll Wisconsin, Dept Neurol, Milwaukee, WI 53226 USA. (creator_code:org_t)
- 2020-05-27
- 2020
- Engelska.
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Ingår i: Muscle and Nerve. - : WILEY. - 0148-639X .- 1097-4598. ; 62:2, s. 233-238
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Introduction In contrast to needle electromyography (EMG), surface EMG recordings are painless. It is of interest to develop methods to analyze surface EMG for diagnostic purposes. Methods Surface EMG interference pattern (SIP) recordings from the abductor pollicis brevis muscle of healthy subjects and subjects with amyotrophic lateral sclerosis (ALS) were analyzed by measuring root-mean-square (RMS) voltage, mean rectified voltage, form factor (FF), and the clustering index (CI). The FF vs SIP area plot was used for analysis. Results The SIP FF was increased and abnormal in ALS subjects, especially when SIP area was less than 200 mVms. Power regression showed a faster FF decline with SIP area in ALS patients than in healthy subjects. The CI and FF showed a strong correlation. Discussion FF is easy to calculate and demonstrates abnormalities in ALS patients.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- amyotrophic lateral sclerosis
- clustering index
- form factor
- interference pattern analysis
- normal cloud
- surface EMG
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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