背腕腱鞘
Vaginae carpeae dorsales tendinum
- 拉丁语近义词: Vaginae tendinum carpales dorsales
定义
腕背侧腱鞘是衬有滑膜的管状结构(即滑膜鞘),包裹腕部和手部的伸肌腱,使其在腕背侧伸肌支持带下方通过。
每个腱鞘使其所包裹的肌腱(或多条肌腱)能够在纤维骨性管道内顺畅滑动,从而减少腕关节和手指伸展运动时产生的摩擦。
解剖概述
腕背侧共有六个骨纤维管(第1至第6格;由桡侧至尺侧排列),每格容纳特定的肌腱及其滑膜鞘或腱鞘:
骨纤维管 |
肌腱(及腱鞘) |
1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
參考資料
Gray, H. (2016) Gray’s Anatomy: The Anatomical Basis of Clinical Practice. 41st edn. Edited by S. Standring. New York: Elsevier. Chapter 50: Wrist and hand, pp. 879.
Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 7: Hand’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp. 757; Fig. 7.95.