Table 2. Comparisons of piecewise and single linear regressions.
| A | R2 | |
| PFC subregions | Piecewise (T3-6) | (T1-6) |
| DLPFCL | 0.99 | 0.93 |
| DLPFCR | 0.98 | 0.83 |
| VLPFCL | 0.97 | 0.78 |
| VLPFCR | 0.87 | 0.80 |
| FPFCL | 0.98 | 0.87 |
| FPFCR | 0.99 | 0.84 |
| B | R2 | |
| Kinematics | Piecewise (T3-6) | (T1-6) |
| TAD | 0.97 | 0.82 |
| TROM | 0.97 | 0.84 |
| COM ROM | 0.97 | 0.88 |
| Min COM | 0.96 | 0.85 |
| RST | 0.98 | 0.92 |
Tx-y = Trials included in regression.
TAD = Trunk angular dispersion, TROM = trunk range of motion, COMROM = center of mass range of motion, MIN COM = Minimum of COM, RST = response step time.