胫骨前肌腱附着部位的类型分类和表面积的解剖学研究。
Anatomical study of type classification and surface area of attachment sites for tibialis anterior tendon.
机构信息
Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-Cho, 1398, Kita-Ku, Niigata City, Niigata, 950-3198, Japan.
Department of Anatomy, School of Life Dentistry at Niigata, Nippon Dental University, Niigata, Japan.
出版信息
BMC Musculoskelet Disord. 2023 Aug 3;24(1):631. doi: 10.1186/s12891-023-06753-8.
BACKGROUND
The purpose of this study was to clarify the attachment types of the tibialis anterior tendon (TAT) in Japanese fixed cadavers and to determine the attachment site area in three dimensions.
METHODS
We examined 100 feet from 50 Japanese cadavers. The TAT was classified according to differences in the number of fiber bundles as: Type I, with one fiber bundle; Type II, with two fiber bundles; and Type III, with three fiber bundles. The attachment site area of the TAT was measured using a three-dimensional scanner.
RESULTS
Cases were Type II in 95% and Type III in 5%, with no cases of Type I identified. In Type II, mean attachment site areas were 85.2 ± 18.2 mm for the medial cuneiform bone (MCB) and 72.4 ± 19.0 mm for the first metatarsal bone (1 MB), showing a significantly larger area for MCB than for 1 MB.
CONCLUSIONS
These findings suggest the possibility of ethnic differences in TAT attachment types and suggest that TAT attachments in Japanese individuals are highly likely to be Type II, with rare cases of Type III. Accurate measurement of attachment site areas is possible with appropriate three-dimensional measurements.
背景
本研究旨在阐明日本固定尸体中胫骨前肌腱（TAT）的附着类型，并确定其在三维空间中的附着部位面积。
方法
我们检查了 50 具日本尸体的 100 只脚。根据纤维束数量的不同，TAT 分为以下三种类型：I 型，具有一个纤维束；II 型，具有两个纤维束；III 型，具有三个纤维束。使用三维扫描仪测量 TAT 的附着部位面积。
结果
95%的病例为 II 型，5%的病例为 III 型，未发现 I 型病例。在 II 型中，TAT 附着于内侧楔骨（MCB）的平均附着部位面积为 85.2±18.2mm，附着于第一跖骨（1MB）的平均附着部位面积为 72.4±19.0mm，MCB 的附着部位面积明显大于 1MB。
结论
这些发现提示 TAT 附着类型可能存在种族差异，并且日本人群中 TAT 的附着类型很可能是 II 型，III 型较为少见。通过适当的三维测量，可准确测量附着部位面积。
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