PROBLEM TO BE SOLVED: To provide a device capable of noninvasively and simply obtaining information relating to a change in the amount of a muscle of each type without an exercise burden on a target person of muscle change determination.SOLUTION: A muscle change determination device comprises: a change information acquisition unit 292 for acquiring change information indicating changes in plural muscle indexes: and a muscle change determination unit 293 for determining a change in a muscle by each type, on the basis of the change information.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2016,JPO&INPIT【課題】筋の変化の判定対象者に運動の負担をかけず非侵襲かつ簡便に、タイプ毎の筋の量の変化に関する情報を得られる装置を提供する。【解決手段】筋変化判定装置が、複数の筋指標の変化を示す変化情報を取得する変化情報取得部292と、変化情報に基づいて、筋のタイプ毎に筋の変化を判定する筋変化判定部293と、を備える。【選択図】図3