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目的：为胫骨下段骨折内固定塑形钢板提供解剖学基础。方法：对国人胫骨８１副（男４１副，女４０副）进行下段扭转角及外翻角测量。结果：①胫骨下段扭转角，男性左侧６４．８°±３．６°，右侧６８．７°±２．８°，女性左侧６３．６°±５．１°，右侧６７．０°±６．１°。②胫骨下段外翻角：男性左侧１５．６°±３．０°，右侧１４．２°±２．１°，女性左侧１５．６°±３．０°，右侧１６．４°±２．９°。结论：男性无论扭转角还是外翻角其侧别差异显著Ｐ＜０．０１及Ｐ＜０．０５；女性扭转角侧别差异显著Ｐ＜０．０１而外翻角侧别无差异Ｐ＞０．０５；除右外翻角性别间差异显著Ｐ＜０．０１外，其余各角性别间均无差异Ｐ＞０．０５。这为临床实践提供了新资料。在此基础上研制的内固定钢板更能符合胫骨下段的解剖特点，避免或减少因钢板塑形不佳所带来的并发症。
Objective: To provide an anatomical basis for the internal fixation of shaped steel plate in the lower tibia fracture. Methods: 81 pairs of Chinese tibia (41 males and 40 females) under the lower torsion angle and valgus angle measurement. Results: ①The torsion angle of the lower tibia was 64.8 ° ± 3.6 ° on the left, 68.7 ° ± 2.8 ° on the right, 63.6 ° ± 5.1 ° on the left and 67 on the right. 0 ° ± 6.1 °. ② lower valgus angle tibia: male left 15.6 ° ± 3.0 °, right 14.2 ° ± 2.1 °, left 15.6 ° ± 3.0 ° female, right 16.4 ° ± 2.9 °. CONCLUSIONS: The lateral difference between male and female at valgus angle was significant (P <0.01 and P <0.05), while there was no significant difference between male and female .05; There was no significant difference between the other sexes except P> 0.05 except for the difference between the right valgus and the sex. This provides new information for clinical practice. The internal fixation plate developed on this basis is more in line with the anatomic features of the lower tibia to avoid or reduce the complications caused by the poor shape of the plate.