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" Proposed equation between flexor carpi radialis H-reflex latency and upper limb length "
/Hasan Hashemi
; Saeed Khosrawi, Parisa Taheri
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Isfahan University of Medical Sciences
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| Document Type
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Latin Dissertation
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| Language of Document
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English
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| Record Number
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103724
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| Doc. No
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T15442
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| Call number
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WL102.7,H348p,2014
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| Main Entry
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Hashemi, Hasan
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| Title & Author
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Proposed equation between flexor carpi radialis H-reflex latency and upper limb length/Hasan Hashemi
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| College
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Schools, Medical
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| Date
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, 2014
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| Degree
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Physical Medicine and Rehabilitation, Speciality
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| Page No
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19 p.: diag., tab
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| Note
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This thesis is a research dissertation with project ID 393183
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حسن هاشمی
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| Abstract
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Background:H-reflex is a valuable electrophysiological technique for assessing nerve conduction through entire length of afferent and efferent pathways,especially nerve roots and proximal segments of peripheral nerves. The aim of this study was to investigate the relation between normal values of flexor carpi radialis(FCR) H-reflex latency, upper limblengthand age in normal subjects, and to determine whether there is any regression equation between them.Methods:By considering the criteria of inclusion and exclusion, 120 upper limbs of 69normal volunteers (68 hands of 39 men and 52 hands of 30 women) with the mean age of 39.8± 11.2 years participated in this study. FCR H-reflex wasobtained by standard electrodiagnostictechniques and its onset latency was recorded. Upper limb length and arm length were measuredin defined position. The degree of association between these variables was determined with Pearson correlation and linear regression was used for obtaining the proposed relations.Results:Mean FCR H-reflex latency was found to be 15.88 ± 1.27 milliseconds. There was a direct linear correlation between FCR H–reflex latency and upper limb length (r=0.647) and also arm length (r= 0.574) but there was no significant correlation between age and FCR H-reflex latency (p=0.26). Finally, based on our findings, we tried to formulate these relations by statistical methods. Conclusion:We found that upper limb length and arm length are good predictive values for estimation of normal FCR H-reflex latency butage, in the range of 20-60 years old, has no correlation with its latency. This estimation could have practical indications in pathologic conditions
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| Descriptor
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Neural Conduction
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H-Reflex
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Upper Extremity
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| Added Entry
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Khosravi , Saeid, Supervisor
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Taheri, Parisa, Supervisor
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