Significance of the collagen criss-cross angle distributions in lumbar annuli fibrosi as revealed by finite element simulations

Abstract

In the human lumbar spine, annulus fibrosus (AF) fibres largely contribute to intervertebral disc (IVD) stability, and detailed annulus models are required to obtain reliable predictions of lumbar spine biomechanics by finite element (FE) modelling. However, different definitions of collagen orientation coexist in the literature for healthy human lumbar AFs… (More)

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