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Head angles during movements in three anatomical planes of ALS and control group.
| Phase I | Phase II | Phase III | |
|---|---|---|---|
| Axial rotation | |||
| Control | 0.245 (0.07) | 0.526 (0.08) | 0.229 (0.09) |
| ALS | 0.231 (0.07) | 0.539 (0.10) | 0.230 (0.05) |
| Lateral bending | |||
| Control | 0.290 (0.07) | 0.501 (0.08) | 0.209 (0.05) |
| ALS | 0.264 (0.09) | 0.516 (0.08) | 0.220 (0.06) |
| Flexion–extension | |||
| Control | 0.345 (0.08) | 0.481 (0.09) | 0.174 (0.07) |
| ALS | 0.282 (0.08) | 0.510 (0.08) | 0.208 (0.08) |
