The medical assistant includes a first fixing portion and a second fixing portion fixed to the toe side portion and the lower thigh side portion, respectively, while sandwiching the ankle while exposing the vicinity of the ankle and the ankle being bent And a connecting member that connects the first fixing portion and the second fixing portion to each other.医療用補助具は、くるぶし近傍を露出させつつ足首を挟んでつま先側部位と下腿側部位にそれぞれ固定される第1の固定部および第2の固定部と、足首を曲げた状態に維持するように第1の固定部と第2の固定部を互いに連結する連結部材とを備えている。