Biomechanical Measurement of Spastic Plantarflexors

Abstract
The feasibility of quantifying spasticity in [human] plantarflexors by measuring the resistance to passive dorsiflexion of the ankle joint at several constant angular speeds was determined. Repeated testing was conducted on normal subjects and spastic patients. Good repeatability was found for both groups and both groups differed significantly from each other with respect to the measurement variable. The method will provide a useful tool for quantifying alterations in plantarflexor spasticity which result from various surgical and non-surgical treatments.

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