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Subregion definitions for the position protocol
| Subregion | Included hand positions |
|---|---|
| Medio-Lateral Subregions | |
| Medial | Sp2, L, Sp3 |
| Parasagittal | U, O, D, F, B |
| Lateral | Sp1, Sp4, R |
| Superior-Inferior Subregions | |
| Superior | Sp1, Sp2, U |
| Shoulder-level | L, R, F, O, B |
| Inferior | Sp3, Sp4, D |
Hand positions include: L, left; U, up; O, central; D, down; F, forward; B, backward; R, right; Sp1–Sp4, targets located in 4 quadrants with specific coordinates.
