Abstract:
:Although paraspinal muscle fibrillations and positive sharp waves (PSWs) are used to help identify neuromuscular disorders, the frequency of these abnormalities in normal subjects is uncertain. We performed lumbosacral paraspinal electromyography in 65 normal subjects. Twenty-seven (42%) had fibrillations and/or PSWs, with the prevalence of these findings increasing with age (r = 0.830, P = 0.040). These data suggest isolated fibrillations and PSWs in lumbosacral paraspinal muscles, especially of older subjects, are nonspecific findings.
journal_name
Muscle Nervejournal_title
Muscle & nerveauthors
Nardin RA,Raynor EM,Rutkove SBdoi
10.1002/(sici)1097-4598(199810)21:10<1347::aid-mussubject
Has Abstractpub_date
1998-10-01 00:00:00pages
1347-9issue
10eissn
0148-639Xissn
1097-4598pii
10.1002/(SICI)1097-4598(199810)21:10<1347::AID-MUSjournal_volume
21pub_type
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