Upper Motor Neurone Syndrome and Spasticity: Neurophysiology of spasticity
作者： Geoff Sheean
DOI: 10.1017/CBO9780511544866.003
关键词: Spasticity 、 Stretch reflex 、 Muscle contracture 、 Clonus 、 Neuroscience 、 Hypertonia 、 Spinal shock 、 Muscle tone 、 Medicine 、 Reciprocal inhibition
摘要: The pathophysiology of spasticity is a complex subject and one frequently avoided by clinicians. Spasticity the other features, positive negative, upper motor neurone (UMN) syndrome arise from disruption certain descending pathways involved in control. Hyperexcitability spinal reflexes forms basis most clinical signs UMN syndrome, which have common excessive muscle activity. These may be divided into two groups, proprioceptive nociceptive/cutaneous reflexes. clasp-knife phenomenon combines features both at least lower limbs. Contractures are well known feared complication reducing range motion joint. There has been recent investigation relationship between stretch reflex hyper excitability contractures. does not appear to exist contracting agonists would really interfere with movement.
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