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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Muscle Nerve. 2010 May;41(5):710–715. doi: 10.1002/mus.21561

Table.

Nerve Conduction Studies

Stimulate (Record) A (mV/μV) CV (m/s) DL (ms) F-wave
latency
(ms)

R Median motor (APB) 2.8 (>4) 55 (>48) 3.3 (<4.5) 25.7
R Median sensory (Index) 18 (>15) 55 (>56) 3.2 (<3.6)
R Ulnar motor (ADM) 8.8 (>6) 61 (>51) 2.1 (<3.6) 25.8
R Ulnar sensory (Fifth) 31 (>10) 60 (>54) 2.2 (<3.1)
R Radial motor (EDC) 0 NR (>67) NR (<3.1)
R Radial sensory 0 (>20) NR (>49) NR (<2.9)
L Median motor (APB) 0.0 (>4) NR (>48) NR (<4.5)
L Median sensory (Index) 0 (>15) NR (>56) NR (<3.6)
L Radial motor (EDC) 4.4 58 (>67) 3 (<3.1)
L Radial sensory 7 (>20) – (>49) 2.6 (<2.9)
R Peroneal motor (EDB) 0.7 (>2) 43 (>41) 4.5 (<6.6)
L Peroneal motor (EDB) 2.4 (>2) 42 (>41) 3.2 (<6.6)
R Tibial motor (AH) 8.1 (>4) 44 (>40) 3.7 (<6.1)
R Sural sensory (Ankle) 11 (>0) 49 (>40) 3.6 (<4.5)
EMG

Muscle Insertional
Activity
Fibrillation
Potentials
Motor Unit Potentials

Recruitment Long
Duration
High
Amplitude

R APB Increased 1+ 2− 2+ 3+
R biceps brachii Normal 0 0 1+ 2+
R brachioradialis Increased 4+ No units No units No units
R deltoid Normal 0 1− 2+ 1+
R EDC Increased 4+ No units No units No units
R FDI Normal 0 0 0 0
R FCU Normal 0 0 0 0
R FPL Normal 0 1− 2+ 1+
R pronator teres Increased 2+ 2− 2+ 2+
R triceps brachii Increased 2+ 2− 2+ 2+
L APB Increased 2+ 2− 2+ 2+
L biceps brachii Normal 0 0 0 0
L deltoid Normal 0 0 1+ 1+
L EDC Increased 3+ 3− 3+ 2+
L FDI Normal 0 0 0 0
R medial gastrocnemius Increased 1+ 1− 1+ 1+
R TFL Normal 0 0 0 0
R Tibialis anterior Normal 0 1− 2+ 2+
R vastus medialis Normal 0 1− 1+ 1+
R cervical paraspinals Normal 0 0 0 0