PROBLEM TO BE SOLVED: To provide a muscle power supporter that can effectively support muscle power.SOLUTION: A muscle power supporter 100 comprises: a sheet member 210 that can be brought into close contact with skin that covers muscle; a muscle power state acquiring unit 410 arranged in the sheet member 210 to acquire the muscle power state of the muscle; a contraction timing acquiring unit 420 arranged in the sheet member 210 to acquire the contraction timing of the muscle; and a muscle auxiliary operation unit 430 that performs auxiliary operation to assist the contraction of the muscle depending on the acquired muscle power state and contraction timing.COPYRIGHT: (C)2015,JPO&INPIT【課題】筋力サポートをより効果的に行うことができる筋力サポータを提供すること。【解決手段】筋力サポータ100は、筋肉を覆う肌に密着させることが可能なシート部材210と、シート部材210に配置され、筋肉の筋力状態を取得する筋力状態取得部410と、シート部材210に配置され、筋肉の収縮タイミングを取得する収縮タイミング取得部420と、シート部材210に配置され、取得された筋力状態および収縮タイミングに応じて、筋肉の収縮を補助する補助動作を行う筋肉補助動作部430と、を有する。【選択図】図1