The change in motion of the cranial segment for two experimental lumbar fusion models and the current finite element sacroiliac study. All studies were completed using motion controlled protocols.
| Change in Cranial Segment Range of Motion | |||
|---|---|---|---|
| Site of Fusion | |||
| Loading Direction | Lumbosacral (Ha 1993) | Lumbar (Kyaw 2014) | Sacroiliac (Current) |
| Flexion | 88% | 20% | 3.0% |
| Extension | 56% | 20% | 3.7% |
| Lateral Bending | 26% | 21% | 1.1% |
| Axial Rotation | N/A | 127% | 4.6% |