To obtain an exercise therapeutic apparatus capable of calculating a stable AT and a method of identifying an anaerobic work threshold for any subject.SOLUTION: A regenerative operation and a power running operation are connected to a rotating mechanism with a pedal via a measuring device, a pedal rotating mechanism, and a transmission mechanism, and an assist load by a regenerative load or a power running load is applied to a rotating mechanism with a pedal by switching between regenerative operation and power running operation An exercise therapy apparatus comprising a rotating electrical machine apparatus and an operation control apparatus for driving and controlling the rotating electrical machine apparatus, wherein the motion control apparatus comprises: a warming up period in which the rotating electrical machine apparatus is caused to perform a power running operation so as to generate a negative assist load , The assist load is increased from the negative assist load during the lamp loading period and based on the time series data of the oxygen intake amount and the carbon dioxide emission amount obtained via the measuring device, And calculates a work threshold.BACKGROUND OF THE INVENTION【課題】どのような被験者に対しても、安定したATを算出できる運動療法装置および無酸素性作業閾値の特定方法を得る。【解決手段】測定器と、ペダル付回転機構と、伝達機構を介してペダル付回転機構と連結され、回生運転と力行運転を切り替えてペダル付回転機構に回生負荷または力行負荷によるアシスト負荷を加える回転電機装置と、回転電機装置を駆動制御する動作制御装置とを備えた運動療法装置であって、動作制御装置は、マイナスのアシスト負荷が発生するように回転電機装置を力行運転させたウォーミングアップ期間の経過後、ランプ負荷期間において、マイナスのアシスト負荷からアシスト負荷を上昇させていき、測定器を介して得られた酸素摂取量および二酸化炭素排出量のそれぞれの時系列データに基づいて無酸素性作業閾値を算出する。【選択図】図1
