Table 4.
Mean correlations and slopes between tonic firing rate and static torque
| MN | PreM-IN | Sy-IN | U-IN | |
|---|---|---|---|---|
| Units | 13 | 34 | 10 | 145 |
| Positive r | 0.84 ± 0.27 | 0.66 ± 0.28 | 0.65 ± 0.17 | 0.70 ± 0.27 |
| Slope | ||||
| Extension | 253 ± 104 (8) | PSF: 342 ± 300 (21) | SF: 244 ± 118 (4) | 328 ± 231 (91) |
| PSS: 344 ± 292 (3) | SS: 314 ± 213 (2) | |||
| Flexion | 194 ± 75 (5) | PSF: 271 ± 151 (15) | SF: 252 ± 88 (6) | 268 ± 159 (78) |
| PSS: 91 ± 67 (3) | SS: 245 (1) | |||
| Units | 0 | 7 | 0 | 13 |
| Negative r | — | −0.63 ± 0.23 | — | −0.66 ± 0.20 |
| Slope | ||||
| Extension | — — | PSF: −325 ± 196 (4) | — — | −185 ± 81 (6) |
| Flexion | — — | PSS: −187 ± 27 (3) | — — | −206 ± 95 (8) |
-
Values are means ± SD. n values are in parentheses. Slopes are in spikes/s/Nm. PSF, neurons with postspike facilitation; PSS, neurons with pure postspike suppression; SF, neurons with early facilitation; SS, neurons with pure early suppression.