Pain Development Mechanism Natural ageing Repeated microtraumas Genetic predisposition disk degeneration disk protrusion vertebramotor segment disfunction facet arthrosis, osteophyte growth spinal and radicular (nerve- root) canal stenosis Irritation of pain receptors of fibrous ring and posterior longitudinal ligament Muscle spasm Pain Mechanical compression of the root, its inflammation, edema and demyelination Spontaneous Pains SCENAR
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