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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1985-3-20
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pubmed:abstractText |
Cenkovich et al. (1982) found that a rotated hyperbolic curve fitted the relationship between the logarithm of cumulative amplitude (log A) and the logarithm of turns (log T). They found the intercept of the hyperbola (S-index) to be independent of force and suggested to use the S-index without measurement of the force as a diagnostic criterion. We have applied this modification of the method to our material previously published. In controls we found a slight increase in S-index with increasing force. The S-index was often increased in patients with myopathy and decreased in patients with neurogenic disorders, mostly at low to moderate force. The S-index was not better in discriminating patients from controls than the ratio of turns to mean amplitude.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
0013-4694
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
60
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
30-2
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pubmed:dateRevised |
2008-9-9
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pubmed:meshHeading |
pubmed-meshheading:2578351-Adolescent,
pubmed-meshheading:2578351-Adult,
pubmed-meshheading:2578351-Aged,
pubmed-meshheading:2578351-Electromyography,
pubmed-meshheading:2578351-Electrophysiology,
pubmed-meshheading:2578351-Humans,
pubmed-meshheading:2578351-Middle Aged,
pubmed-meshheading:2578351-Muscle Contraction,
pubmed-meshheading:2578351-Neuromuscular Diseases
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pubmed:year |
1985
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pubmed:articleTitle |
Pattern of electrical activity and force in normal and pathological muscle: S-index of turns and amplitude.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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