Between one vertebra and another of the spine we find the intervertebral disk with a shock absorbing function. This cushion comprises an external fibrous ring-shaped section called annulus and an internal soft textured part, 90% of which is made up of water: the latter is the nucleus pulposus.
This internal part distributes any stress perceived to the entire disk.
If the stress experienced is too intense or if the disk has degenerated, an expelled herniated disk can develop or even small protrusions.
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Dynamic thoracolumbar sacral corset
Dynamic lumbar-sacral corset