Update sub-s5TwoHDsEMG_task-isometric_electrodes.tsv

Author: neuromechanist

emg_examples/sub-s5TwoHDsEMG/emg/sub-s5TwoHDsEMG_task-isometric_electrodes.tsv

@@ -1,5 +1,6 @@
 name	x	y	z	loc_reference	group
 E1	5	80	80	forearm-coordsystem	Grid1
+E1	0	0	0	grid-coordsystem	Grid1
 E2	0	8	0	grid-coordsystem	Grid1
 E3	0	16	0	grid-coordsystem	Grid1
 E4	0	24	0	grid-coordsystem	Grid1
@@ -128,4 +129,4 @@ E126	56	16	0	grid-coordsystem	Grid2
 E127	56	8	0	grid-coordsystem	Grid2
 E128	56	0	0	grid-coordsystem	Grid2
 R1	0	100	0	forearm-coordsystem	Grid1
-R2	0	100	0	forearm-coordsystem	Grid2
+R2	0	100	0	forearm-coordsystem	Grid2