肩胛下神经
Nervus subscapularis inferior
定义
肩胛下神经下支是臂丛后束的一个分支。与肩胛下神经上支相比,其走行相对较长,沿腋后壁下行。该神经最终不仅支配肩胛下肌的下部,还向大圆肌发出神经分支。
肩胛下神经下支走行较长,使其在肩关节置换等手术操作中易受损伤——在尝试显露关节盂的过程中,肩胛下神经下支可能承受牵拉及扭转。
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. 708.
Sager, B., Gates, S., Collett, G., Chhabra, A. and Khazzam, M. (2019). Innervation of the subscapularis: an anatomic study. JSES Open Access, 3(2), pp.65-69.
Tubbs RS, Loukas M, Shahid K, Judge T, Pinyard J, Shoja MM, Slappey JB, McEvoy WC, Oakes WJ. Anatomy and quantitation of the subscapular nerves. Clin Anat. 2007 Aug;20(6):656-9.
Okwumabua E, Black AC, Thompson JH. Anatomy, Shoulder and Upper Limb, Nerves. [Updated 2023 Jul 30]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK526056/