Table 1. Motor nerve conduction study.

Nerve and site	Latency	Amplitude	Segment	Latency difference	Distance	Conduction velocity
Median. L
Wrist	4.2 ms	12.0 mV	Abductor pollicis brevis-Wrist	4.2 ms	80 mm	m/s
Elbow	8.7 ms	10.9 mV	Wrist-Elbow	4.5 ms	230 mm	51 m/s
Ulnar. L
Wrist	3.3 ms	10.8 mV	Abductor digiti minimi (manus)-Wrist	3.9 ms	80 mm	m/s
Below elbow	6.9 ms	8.3 mV	Wrist-Below elbow	3.0 ms	220 mm	73 m/s
Above elbow	7.7 ms	11.4 mV	Below elbow-Above elbow	0.8 ms	100 mm	125 m/s
Radial. L
Forearm	2.3 ms	3.5 mV	Extensor indicis proprius-Forearm	2.3 ms	mm	m/s
Lateral brachium	5.5 ms	4.1 mV	Forearm-Lateral brachium	3.1 ms	mm	m/s
Axillary. L
Supraclavicular fossa	4.3 ms	14.6 mV	Deltoid-Supraclavicular fossa	4.3 ms	mm	m/s
Median. R
Wrist	4.0 ms	12.1 mV	Abductor pollicis brevis-Wrist	4.0 ms	80 mm	m/s
Elbow	8.2 ms	12.0 mV	Wrist-Elbow	4.2 ms	220 mm	52 m/s
Ulnar. R
Wrist	3.3 ms	6.9 mV	Abductor digiti minimi (manus)-Wrist	3.6 ms	80 mm	m/s
Below elbow	6.8 ms	7.0 mV	Wrist-Below elbow	3.2 ms	230 mm	72 m/s
Above elbow	8.2 ms	7.0 mV	Below elbow-Above elbow	1.4 ms	100 mm	71 m/s
Radial. R
Forearm	1.8 ms	2.3 mV	Extensor indicis proprius-Forearm	1.8 ms	80 mm	m/s
Lateral brachium	5.2 ms	1.5 mV	Forearm-Lateral brachium	3.4 ms	240 mm	71 m/s
Axillary. R
Supraclavicular fossa	4.3 ms	10.8 mV	Deltoid-Supraclavicular fossa	4.3 ms	mm	m/s