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Table 2 Results of needle electromyography

From: Immunoglobulin G4-related disease presenting with peripheral neuropathy: a case report

Muscle Spontaneous activity Motor unit morphology Interference pattern
Right
first dorsal interosseous
Fibs and PSWs Normal Reduced
Right
abductor digiti minimi
Fibs and PSWs Normal Reduced
Right
abductor pollicis brevis
Normal Normal Normal
Right flexor digitorum
profundus (digit 4,5)
Normal Normal Normal
Right flexor carpi ulnaris Normal Normal Normal
Right pronator teres Normal Normal Normal
Right
extensor digitorum communis
Normal Normal Normal
Right biecps brachii Normal Normal Normal
Right cervical paraspinals Normal   
Left tibialis anterior Fibs and PSWs Normal Reduced
Left peroneus longus Normal Normal Normal
Left tibialis posterior Normal Normal Normal
Left gastrocnemius Normal Normal Normal
Left vastus lateralis Normal Normal Normal
Left biceps femoris short head Normal Normal Normal
Left tensor fasciae latae Normal Normal Normal
Left lumbar paraspinals Normal   
  1. Fibs Fibrillation potentials, PSWs Positive sharp waves