Modeling of ankle angle-torque characteristic during passive dorsiflexion

Atsuki Oguri, Daisuke Yashiro, Kazuhiro Yubai, Satoshi Komada, Kotaro Takeda

研究成果: Article


Stroke often leaves with spasticity which increases muscle tone. For an accurate assessment of ankle spasticity, automatic devices that measure a resistance torque during passive dorsiflexion have been developed. However, conventional methods have not been successfully distinguishing spastic, elastic, viscous, and inertial torques around the ankle joint. The distinguish among these torques is essential to determine treatment. In this paper, therefore, we developed a novel device which dorsiflexes the ankle joint and measures the resistance torque and ankle angle. As the first step, we formulated the relationship between the elastic torque and the angle. The proposed model includes an elastic model of three muscles; tibialis anterior (TA), agastrocnemius (GC), and soleus (SL).

ジャーナルTransactions of Japanese Society for Medical and Biological Engineering
出版ステータスPublished - 01-01-2018

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering

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