A comprehensive biomechanical analysis of sacral alar iliac fixation: an in vitro human cadaveric model.
biomechanical · Level V
Where this comes from
- Record sourced from PubMed, PMID 30611149.
- Also identified by DOI 10.3171/2018.8.SPINE18328.
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Abstract
In BriefIn this in vitro investigation, we compared the multidirectional flexibility properties of sacral alar iliac fixation with conventional methods of sacral and sacroiliac fixation using nondestructive and destructive investigative methods. The study demonstrated that S1-2 sacral fixation alone significantly increases sacroiliac motion under all loading modalities, while sacral alar iliac fixation reduced motion in axial rotation at the sacroiliac joint and offers potential advantages of a lower instrumentation profile and ease of assembly compared to conventional sacroiliac screw instrumentation.
Medical subject headings
- Bone Screws
- Ilium
- Lumbar Vertebrae
- Sacrum
- Spinal Fusion
Anatomy
- sacrum-coccyx
- pelvis
- lumbar spine