Table 2.
Mean (± standard deviation) coordinates for the center of mass (COM) and peak of activation (POA) in mm in the MNI space in S1 for both hemispheres for L1, L3, L5 and the thumb
| X | Y | Z | X | Y | Z | X | Y | Z | X | Y | Z | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COM | right hemisphere | left hemisphere | POA | right hemisphere | left hemisphere | ||||||||
| L1 | 19.41 (0.78) | 37.25 (0.51) | 64.99 (0.66) | −15.73 (1.26) | 36.94 (1.30) | 63.30 (0.82) | 21.00 (5.05) | 36.00 (5.54) | 67.50 (5.61) | −18.10 (7.12) | 36.60 (6.16) | 65.40 (6.50) | |
| L3 | 19.26 (0.54) | 37.14 (0.76) | 65.02 (0.79) | −15.28 (1.58) | 36.84 (1.15) | 62.82 (0.62) | 20.70 (5.37) | 36.30 (6.33) | 66.50 (6.01) | −14.70 (6.50) | 36.80 (4.90) | 63.10 (6.63) | |
| L5 | 19.27 (0.53) | 37.03 (0.85) | 65.24 (1.36) | −15.86 (1.50) | 36.88 (1.26) | 63.28 (0.67) | 19.60 (4.70) | 36.03 (5.40) | 67.60 (6.30) | −16.70 (7.40) | 36.70 (5.60) | 64.50 (5.88) | |
| Thumb | −23.34 (5.24) | 37.21 (1.64) | 64.02 (1.76) | −32.30 (5.60) | 36.10 (4.28) | 66.20 (3.94) | |||||||
Abbreviations: COM = center of mass, POA = peak of activation, x,y and z = MNI coordinates, L1 = first lumbar vertebrae, L3 = third lumbar vertebrae, L5 = fifth lumbar vertebrae.