Sayo Yamaguchi

Papers

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About

Sayo Yamaguchi has pioneered the intersection of rehabilitation robotics and haptic simulation, focusing on the biomechanics of spastic movements in brain-injured patients. Her most influential work, "Leg-Robot with MR Clutch to Realize Virtual Spastic Movements" (2010, 16 citations), introduced a novel leg-shaped robot equipped with a magnetorheological fluid clutch (MRFC). This design dramatically improves safety over conventional direct-driven robots, enabling the safe simulation of pathological muscle stiffness for physical therapy training. In her earlier foundational study (2009, 2 citations), Yamaguchi established the compact MR clutch system as a tool for virtual haptic control, allowing therapists to experience and study spasticity without risk to patients. Her contributions bridge engineering and clinical practice, offering a practical training platform that helps elucidate the physiological mechanisms of spasticity. By creating robots that replicate involuntary movements with high fidelity, Yamaguchi has advanced both rehabilitation education and the understanding of neuromuscular disorders. Her work remains a critical resource for researchers developing assistive technologies and haptic interfaces in medical robotics.