Lumbar Spine Anatomy Inter-vertebral Disc Nucleus Annulus neuro-surgery multimedia

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Lumbar Spine Anatomy Inter-vertebral Disc Nucleus Annulus neuro-surgery multimedia. Shows the position of the lumbar discs and a horizontal cross-section view of L4-5. Also shows disc movement during compression, and flexion-extension, with a close-up of the neuro-surgery multimedia. Between the vertebrae are jelly-filled cushions, called intervertebral discs. Looking at the inside of an intervertebral disc, we can see the fibrous outer annulus which has the consistency of a pencil eraser. The annulus provides the strength. The softer water-filled jelly-like nucleus acts as the shock-absorber. The whole disc carries 80% of the load through the neck. When you sit, stand up, bend or twist, large compressive forces are applied to your spine. There are several factors that determine the ability of your intervertebral discs to handle these forces. Visit http:/www.medilaw.tv for more information. Lumbar Spine Anatomy Inter-vertebral Disc Nucleus Annulus neuro-surgery multimedia.

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