Table 3.

Results of TMS study

MEPs from FDI muscle			MEPs from TA muscle
Stimulation site	Latency (ms)	Normal limit (ms)	Stimulation site	Latency (ms)	Normal limit (ms)
(1) Cortex	21.7	22.6	(1) Cortex	32.6	29.3
(2) Brainstem	18.8	18.8	(2) Brainstem	30.1	25.4
(3) Cervical root	15.2	15.2	(3) L1 root	16.7	16.8
	Conduction time (ms)		(4) L5 root	13.3	13.3
CMCT [(1)–(3)]	6.5	7.7		Conduction time (ms)
			CMCT [(1)–(4)]	19.3	17.0
			CCCT [(1)–(3)]	15.9	14.7
			CECT [(3)–(4)]	3.4	4.4

TMS transcranial magnetic stimulation, FDI first-dorsal interroseous, TA tibialis anterior;

CMCT central motor conduction time, CCCT cortico-conus conduction time, CECT cauda equina conduction time

The bold Italic values indicate over the normal limits