Abstract
Equinus gait is the most common problem in patients with cerebral palsy, and Z-lengthening of the Achilles tendon is a useful operation. We performed the operation ou patient with spastic hemiplegia and evaluated his pre and postoperative states. Three -dimensional gait data was collected with the ANIMA motion analysis system (MA2000). Four force plates (MG1090) were used for kinematic analysis.
The data of a 7-year-old boy was compared to our data for normal adults before operation, at four months after surgery, and one year later. Four months after treatment, pattern of power and moment of ankle joint had normalized kinematically and those of his knee joint had improved. Time distance parameter and kinetic peak of moment and power of ankle and knee joint were improved one year after treatment.