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Gait analysis of cerebral palsy children before and after rhizotomy.

Over the past decade, selective posterior rhizotomy has been used successfully to reduce spasticity in patients with cerebral palsy. Although clinical evaluation of these patients revealed functional improvement following surgery, more objective analysis of the outcome of this surgery was sought. Kinematic gait analysis of 14 patients with spastic cerebral palsy was performed before and after selective posterior rhizotomy. Measurements of stride length, thigh range of motion, knee range of motion, average speed of walking, and cadence were made. Statistically significant increases in stride length, thigh range and knee range were found. Average speed was increased and cadence was virtually unchanged. These results corroborate clinical findings of improvement in gait of spastic patients with cerebral palsy following selective posterior rhizotomy.