Shape and Size of the Annulus Fibrosus Excision Alters the Biomechanics of the Intervertebral Disc
Mao-dan Nie,
Ze-bin Huang,
Rong-shan Cheng
et al.
Abstract:Study Design Biomechanical testings and finite element analysis. Objectives This study aims to investigate how annulus fibrosus (AF) incision size (RIS, Ratio of incision width to AF height) and shape affect intervertebral disc (IVD) biomechanics. Methods A validated finite element model of lumbar spines simulated various incisions in the middle-right posterior region of the AF, with different sizes and shapes. Simulations included axial compression, flexion, extension, bending, and rotation. Parameters assess… Show more
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