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Table 1 Quantitative analyses of motor unit potentials in the muscles studied

From: Limb girdle muscular dystrophy type 2G with myopathic-neurogenic motor unit potentials and a novel muscle image pattern

Muscle N = 20 MUP per muscle Amplitude (μV) Mean (min-max) Duration (ms) Mean (min-max) Polyphase (%)
Right deltoideus 4322 (1221–10000) 6,1 (3,6-10,4) 45
Right triceps 5243 (679–8611) 10,1 (3,6-17,4) 30
Right biceps brachialis 1608 (774–3953) 6,3 (2,8-12,2) 35
Right first dorsal interosseous 5265 (1399–10000) 7,1 (1,8-13,6) 25
Left vastus lateralis 1329 (454–4233) 5,9 (3,4-9,0) 20
Right tibialis anterior 1619 (292–3047) 6,2 (3,4-9,0) 30
Left tibialis anterior 1279 (413–2472) 4,8 (2,2-10,6) 40
Right gastrocnemius medialis NP NP NP
  1. MUP- motor unit potentials; NP- Not performed.