跖屈
Plantiflexio
定义
跖屈发生于踝关节，涉及足底向下朝向地面的运动。实际上，它是踝关节处的屈曲运动。日常生活中涉及踝关节跖屈的活动包括踩踏汽车油门进行加速或制动、踮起脚尖（如芭蕾舞中）以及从地面起跳。
跖屈由小腿后部屈肌群的协同作用来实现，这些肌肉包括腓肠肌、比目鱼肌、跖肌、拇长屈肌、趾长屈肌和拇长屈肌，以及腓骨肌室的肌肉，即腓骨长肌和腓骨短肌。
參考資料
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 12th, 2023]
Morrison, W. and Johnson, J. (2017). Everything you need to know about plantar flexion in ‘MedicalNewsToday’. Available at URL: https://www.medicalnewstoday.com/articles/318249 [accessed on Feb 12th, 2023]
Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 6: Lower Limb’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp. 513-516.
