外展
Abductio
定义
外展是指肢体或附属结构远离正中线的运动。
例如,当手处于标准解剖位置时,示指向远离正中线(即中指)方向的外向运动,以及环指和小指远离正中线(或中指)的运动,均为手指外展运动的典型示例。同样,双臂从体侧向上摆动至肩部或更高位置,也是外展运动的示例。
外展的反向运动为内收,即肢体或附属结构朝向正中线的运动。
參考資料
Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 7: Upper Limb’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp. 651-653.
White, T.D. and Folkens, P.A. (2005). ‘Chapter 6: ANATQMICAL TERMINQLQGY’ in The Human Bone Manual. Editor(s): White, T.D. and Folkens, P.A., Academic Press, pp. 67-74. https://www.sciencedirect.com/science/article/pii/B9780120884674500090
Jones, O. (2020). Anatomical terms of movement in ‘TeachMeAnatomy’. Available at URL: https://teachmeanatomy.info/the-basics/anatomical-terminology/terms-of-movement/ [accessed on Feb 11th, 2023]