Table 2 Mean Time (msec) at Which Peak Electromyogram Occurred After the Firing of the Solenoid of the Pneumatic Piston
| Â | Muscle EMG | Â | Â | |||
|---|---|---|---|---|---|---|
| Â | Sternocleidomastoid | Splenius Capitis | Trapezius | |||
Acceleration (m/s2) | Left | Right | Left | Right | Left | Right |
Right Head Rotation | Â | Â | Â | Â | Â | Â |
4.0 | 479 (298) | 599 (374) | 247 (46) | 264 (374) | 223 (20) | 228 (28) |
7.6 | 379 (281) | 569 (263) | 225 (36) | 224 (32) | 211 (28) | 227 (24) |
10.7 | 363 (212) | 547 (414) | 219 (36) | 219 (30) | 206 (31) | 224 (35) |
13.0 | 321 (225) | 521 (349) | 210 (35) | 211 (23) | 196 (30) | 210 (26) |
Left Head Rotation | Â | Â | Â | Â | Â | Â |
4.0 | 526 (342) | 687 (433) | 243 (34) | 822 (511) | 281 (90) | 664 (255) |
7.6 | 255 (72) | 576 (141) | 227 (19) | 704 (365) | 267 (42) | 262 (60) |
10.7 | 245 (34) | 521 (240) | 223 (27) | 631 (225) | 256 (57) | 246 (58) |
13.0 | 244 (25) | 510 (284) | 215 (32) | 608 (208) | 249 (52) | 218 (55) |