Table 3.

MEP latency differences across TMS coil orientations

Group/Grip	Latency Differences, ms		Latency Differences (EMG-Matched Subgroup), ms
	PA-LM	AP-LM	PA-LM	AP-LM
Controls
Precision	1.7 ± 0.6	3.3 ± 1.0	1.7 ± 0.5	3.2 ± 0.9
Power	1.7 ± 0.6	3.7 ± 0.8*	1.7 ± 0.5	3.8 ± 0.6*
SCI
Precision	0.9 ± 0.6	1.8 ± 0.8	1.1 ± 0.6	1.7 ± 0.9
Power	1.1 ± 0.5	2.2 ± 0.7*	1.3 ± 0.4	2.1 ± 0.7*

Values are means ± SD. MEP, motor-evoked potential; TMS, transcranial magnetic stimulation; EMG, electromyography; PA, posterior-anterior; LM, latero-medial; AP, anterior-posterior; SCI, spinal cord injury,

^*Significant difference between tasks within each group and coil orientation.