To solve the problem that due to that in a conventional technique to grasp a rehabilitation effect, a device is large scaled and has a high cost, and a user needs to go to an installation site of the device, the device is not easily used in a daily life.SOLUTION: A pedometer includes: upward/downward acceleration detection means 34 for synthesizing acceleration in the vertical direction during walking, on the basis of an output signal of a triaxial acceleration sensor 10； rightward and leftward acceleration detection means 35 for synthesizing acceleration in the longitudinal direction； forward/backward acceleration detection means 36 for synthesizing acceleration in the cross direction； normal step number calculation means 37 for calculating as normal step number data from the output signal of the upward/downward acceleration detection means； abnormal step number calculation means 38 for calculating as abnormal step number data from the output of the rightward and leftward acceleration detection means, and the forward/backward acceleration detection means； and rehabilitation progress calculation means 39 for calculating rehabilitation progress data from the normal step number data and the abnormal step number data.SELECTED DRAWING: Figure 1【課題】従来のリハビリの効果を把握する次術は装置が大掛かりでコストが高いことや使用者は装置の設置場所に赴く必要があり、日常生活の中で利用しやすいものではないこと等の課題があった。【解決手段】３軸加速度センサ１０の出力信号に基づき歩行時の上下方向の加速度を合成する上下加速度検出手段３４、左右方向の加速度を合成する左右加速度検出手段３５、前後方向の加速度を合成する前後加速度検出手段３６、前記上下加速度検出手段の出力信号から正常歩数データとして算出する正常歩数算出手段３７と、前記左右加速度検出手段及び前後加速度検出手段の出力から異常歩数データとして算出する異常歩数算出手段３８と、前記正常歩数データと前記異常歩数データとからリハビリ進捗度データを演算するリハビリ進捗度演算手段３９とを備え課題を解決した。【選択図】図１
