Premium
Fibrillations in lumbosacral paraspinal muscles of normal subjects
Author(s) -
Nardin Rachel A.,
Raynor Elizabeth M.,
Rutkove Seward B.
Publication year - 1998
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/(sici)1097-4598(199810)21:10<1347::aid-mus20>3.0.co;2-y
Subject(s) - lumbosacral joint , electromyography , medicine , anatomy , physical medicine and rehabilitation
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. © 1998 John Wiley & Sons, Inc. Muscle Nerve 21:1347–1349, 1998.