Table 2. Ranges of motion are shown for intact condition (= IC) and the condition without the entire rib cage (= W/o RC) in the single motion planes for all functional spinal units and a pure bending moment of 2 Nm (n = 6).
| Flexion/extension | Lateral bending | Axial rotation | ||||
|---|---|---|---|---|---|---|
| IC | W/o RC | IC | W/o RC | IC | W/o RC | |
| Mdn (°) | Mdn (°) | Mdn (°) | Mdn (°) | Mdn (°) | Mdn (°) | |
| Max / Min (°) | Max / Min (°) | Max / Min (°) | Max / Min (°) | Max / Min (°) | Max / Min (°) | |
| T1-T2 | 3.4 | 4.7 | 2.8 | 4.8 | 2.9 | 6.2 |
| 4.4 /2.7 | 6.4 / 3.1 | 4.7 / 2.2 | 7.0 / 3.4 | 3.7 / 1.4 | 8.0 / 3.8 | |
| T2-T3 | 1.3 | 2.4 | 2.4 | 3.5 | 1.7 | 6.4 |
| 2.6 / -1.3 | 3.2 / -0.2 | 2.8 / 0.6 | 5.2 / 0.7 | 3.3 / 0.5 | 7.3 / 0.2 | |
| T3-T4 | 1.3 | 1.9 | 2.1 | 3.5 | 1.0 | 4.5 |
| 1.9 / 0.4 | 3.7 / 1.0 | 3.4 / 1.2 | 5.2 / 2.1 | 1.1 / 0.3 | 7.8 / 2.4 | |
| T4-T5 | 0.5 | 1.8 | 1.8 | 3.8 | 1.3 | 5.0 |
| 1.1 / -0.8 | 4.1 / -0.4 | 2.9 / 0.6 | 4.5 / 1.3 | 1.8 / 0.3 | 9.6 / 1.9 | |
| T5-T6 | 0.3 | 0.7 | 1.3 | 2.9 | 0.8 | 5.1 |
| 0.9 / 0.2 | 2.0 / 0.5 | 2.0 / 0.6 | 3.9 / 1.2 | 1.8 / 0.4 | 7.7 / 1.9 | |
| T6-T7 | 0.6 | 1.8 | 1.1 | 2.0 | 2.2 | 5.8 |
| 2.8 / -0.5 | 3.7 / -0.5 | 1.7 / 0.5 | 3.6 / 0.6 | 2.7 / 0.5 | 6.9 / 0.8 | |
| T7-T8 | 0.1 | 1.0 | 0.8 | 1.4 | 1.7 | 2.9 |
| 1.0 / -0.8 | 1.6 / -0.2 | 1.2 / 0.5 | 3.0 / 1.0 | 2.2 / 0.8 | 6.3 / -0.6 | |
| T8-T9 | 1.0 | 1.1 | 0.9 | 1.4 | 3.0 | 5.9 |
| 1.8 / -1.1 | 2.4 / -2.6 | 1.4 / 0.6 | 2.1 / 0.5 | 4.2 / 0.7 | 6.9 / 1.3 | |
| T9-T10 | 0.9 | 1.0 | 0.8 | 1.1 | 3.8 | 4.7 |
| 2.0 / 0.0 | 1.8 / -0.7 | 1.6 / 0.4 | 1.7 / 0.1 | 5.3 / 1.0 | 6.3 / 1.7 | |
| T10-T11 | 0.8 | 1.0 | 0.6 | 0.2 | 2.6 | 2.8 |
| 2.7 / 0.2 | 4.1 / 0.2 | 1.1 / 0.0 | 0.6 / -0.1 | 4.3 / 0.5 | 5.7 / 0.4 | |
| T11-T12 | 0.7 | 0.1 | 0.4 | 0.0 | 0.9 | 0.8 |
| 1.1 / -0.3 | 1.9 / -4.7 | 0.7 / 0.2 | 0.3 / -0.5 | 2.5 / 0.6 | 2.6 / 0.6 | |
Mdn = median, Max = maximum, Min = minimum