Shape and Size of the Annulus Fibrosus Excision Alters the Biomechanics of the Intervertebral Disc.
Mao-Dan NieZe-Bin HuangRong-Shan ChengQiang ZhangJi-Ping ZhangLing-Jie FuCheng-Kung ChengPublished in: Global spine journal (2024)
AF injury elevates AF stress, reduces spine stability, heightens degeneration risk with increasing RIS. Reherniation risk rises when RIS exceeds 40%. Circular or oval incisions maintain spine biomechanics better than square or rectangular ones.