Objective: To explore the correlative of the internal fixation point of the lower thoracic spine.

目的：探讨下胸椎侧前方入路内固定进针点的相关问题。

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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.

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。

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As you exhale, bend the knees and lower them toward your chest, but keep lifting your shoulders and mid-thoracic spine.

随着呼气，弯曲膝盖，向胸腔靠近，仍旧保持肩膀和中背的提升。

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