Prevalence of spasticity following stroke and its impact on quality of life with emphasis on disability in activities of daily living. Systematic review.

Spasticity is characterized by a velocity-dependent increase in muscle tone related to disturbed sensory-motor control of muscle tone following upper motor neuron damage. Spasticity and its clinical implications are still poorly described. There is no consensus concerning the number of patients developing spasticity or the relationship between spasticity and motor disabilities after stroke. Surprisingly, only a few studies have addressed the prevalence of spasticity following stroke. The present paper aims to review recent studies on prevalence of spasticity, its risk factors and on quality of life with emphasis on disability in activities of daily living and to relate collected data to situation in Poland.