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% |