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Postoperative ROM
| Variable | Mean | SD | Range |
|---|---|---|---|
| Active forward flexion (affected) (°) | 147.9 | 29.9 | 70–180 |
| Active forward flexion (contralateral) (°) | 166.6 | 18.1 | 90–180 |
| External rotation (affected) (°) | 60.7 | 14.5 | 20–80 |
| External rotation (contralateral) (°) | 68.0 | 13.6 | 20–80 |
| Internal rotation (difference in number of vertebral levels from contralateral) | 0.8 | 1.6 | −2–4 |
