Abstract
The purpose of this study was to investigate the immediate effect of Walkbot gait training on knee joint stiffness in an individual with spastic hemiplegia. A woman with hemiparetic stroke underwent a 30-minute Walkbot robotic-assisted gait training session. Knee flexion stiffness associated with hamstring spasticity and knee extension torques during the terminal swing phase was determined before and after the intervention using the Walkbot-STIFF measurement system. Descriptive case analysis. Knee joint extension kinematic at the terminal swing phase increased from 2.44° to -0.28°. Knee joint torque increased from 0.26 Nm to 0.32 Nm. The knee flexion stiffness decreased from 0.0083 Nm/degree to 0.0022 Nm/degree following the training. The Walkbot robotic-assisted locomotor training was effective for reducing knee joint stiffness and improving extensor torque during functional gait. Moreover, the Walkbot-STIFF system was useful for assessing and monitoring spasticity during locomotor training.
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