| TLIF系统峰值应力/Mpa | Coflex装置峰值应力/Mpa | ||
| Cage | 钉–棒系统 | ||
| 前屈 | 11.82 | 56.87 | 37.37 |
| 后伸 | 22.25 | 93.94 | 96.14 |
| 侧弯 | 34.59 | 47.50 | 39.27 |
| 旋转 | 21.64 | 52.59 | 75.64 |