Development of standing-up motion assist robot to realize physiotherapist skill for muscle strength maintenance. - Yuko Tsusaka; Yasunao Okazaki; Yudai Fudaba; Ryutaro Futakuchi; Masaki Yamamoto 005; Noriyuki Shikata; Masayuki Terashima; Toshiaki Funatani; Hiroto Shima (RO-MAN, 2015)