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Describing paraspinal EMG findings
HAIG AJ; LEVINE JW; RUAN C
AM J PHYS MED REHABIL , 2000, vol. 79, n° 2, p. 133-137 Doc n°: 94798 Localisation : Documentation IRR Descripteurs : AK2 - EMG Clinical electrodiagnostic textbooks instruct that lumbar radiculopathies typically have paraspinal abnormalities and that these abnormalities should be recorded using a single 0-4+ scale. Recent work demonstrates that that the innervation of the paraspinal muscles is segmental, not homogenous, and that asymptomatic persons may have reproducible ('1+') positive waves or fibrillation potentials. Design: To assess current use of the 0-4+ scale, a retrospective study of EMG scores in persons diagnosed with radiculopathy at a university laboratory was performed. No specific paraspinal EMG technique was used. Included were 117 consecutive, qualified S-1 radiculopathies and 33 L-5 radiculopathies. Results: When radiculopathy was defined by 'more than one limb muscle abnormal,' paraspinal scores were recorded as 0 to 1 + in 83% of L-5 and 63% of S-1 cases ( Langue : ANGLAIS Identifiant basis : 2000210697 |
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