将黄韧带与相邻椎板视为“椎板-黄韧带-椎板复合体”，分析黄韧带在不同椎板倾斜角时受力。
The ligamentum flavum and its adjacent lamina were viewed as lamina- ligamentum flavum- lamina complex and the forces acting on ligamentum flavum on different LSA were analyzed.
结论：胸椎椎板倾斜角和黄韧带所受张力可能是胸椎黄韧带骨化多发于下胸段的解剖学和力学因素之一。
Conclusions: thoracic LSA and tension acting on ligamentum flavum may be the anatomical and biomechanical factors for the predilection on lower thoracic spine of TOLF.
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