Estimation of the External Knee Adduction Moment during Gait Using an Inertial Measurement Unit in Patients with Knee Osteoarthritis. - Yu Iwama; Kengo Harato; Shu Kobayashi; Yasuo Niki; Naomichi Ogihara; Morio Matsumoto; Masaya Nakamura; Takeo Nagura (Sensors, 2021)