PROBLEM TO BE SOLVED: To provide a rehabilitation support system by which a trainee can easily learn a correct movement, an instrument equipped with the same, and a control method of the rehabilitation support system.SOLUTION: A rehabilitation support system 1 includes: a first mounting member 81 and a second mounting member 82 mounted on a human body a long-sized rehabilitation support device 10 having a long-sized article 20 and an information acquisition part 40 attached to the long-sized article 20 for acquiring information corresponding to displacement of one side of the long-sized article 20 relative to the other side, one side being connected to the first mounting member 81, and the other side being connected to the second mounting member 82 a processing part 50 in which a measurement result at the information acquisition part 40 is input and a notification part 60 for outputting perception information according to the output of the processing part 50.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】訓練者が正しい動作を学習しやすいリハビリ支援システムおよびこれを備えた機器ならびにリハビリ支援システムの制御方法を提供する。【解決手段】本発明のリハビリ支援システム1は;人の身体に装着される第1装着部材81および第2装着部材82と;長尺物20と、長尺物20に取り付けられており、長尺物20の一方に対する他方の変位に対応する情報を取得する情報取得部40と、を有しており、一方が第1装着部材81に接続されており、他方が第2装着部材82に接続されている長尺状のリハビリ支援装置10と;情報取得部40での計測結果が入力される処理部50と;処理部50の出力に応じて知覚情報を出力する通知部60と;を有する。【選択図】図1