Table 1.

Selected motor nerve conduction studies

Motor nerve	DML (ms)			Amplitude (mV)			Minimum ‘F’ wave latency (ms)			Conduction velocity (m/s)
	C1	C2	NR	C1	C2	NR	C1	C2	NR	C1	C2	NR
L facial (nasalis)	5.01	5.01	2.5–3.2	1.0	1.47	1–2
R facial (nasalis)	4.58	4.28		1.0	1.7
R median (Abductor pollicis brevis)	5.38	4.29	2.5–3.7	7.5	11.0	≥5	37.0	35.0	26–31	44.4 (forearm)	41.7 (forearm)	≥50
L ulnar (Abductor digiti minimi)	3.08	3.14	2.2–3.2	8.9	9.7	≥5	37.0	37.2	27–31	38.0 (forearm)	44.0 (forearm)	≥50
R tibial (Abductor hallucis)	9.05	4.04	3.2–4.5	5.2	6.2	≥3	78.1	56.8	48–56
L common peroneal (Extensor digitorum brevis)	6.99	5.25	3.8–5.5	2.3	6.7	≥2	70.9	55.6	47–55	31.0 (ankle–knee)	41.9 (ankle–knee)	≥40

C1 refers to case 1 studies done 2 weeks after the onset of symptoms, C2 refers to case 2 studies 10 days after the onset of symptoms. There were neither conduction blocks nor temporal dispersions.

NR, normal range.