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Segment 1: Unassisted gait was wide based with freezing upon standing and prominent freezing withboth straight walking and turning. The right foot was more affected by freezing with a pattern consisting ofseveral small right steps with the right foot followed by one l step with the left. Segment 2: Walking withtrekking poles resulted in dramatic improvement of gait and lessening of freezing.(M4V 4950 kb)
