PROBLEM TO BE SOLVED: To provide a muscle training device that achieves weight saving while having a body warming function, and therapy equipment.SOLUTION: A muscle training device 1 passes a pulse current through the body so as to apply an electrical stimulus to muscles and contract the muscles. The muscle training device 1 comprises a device body 11, six electrode parts 13 that are provided in the device body 11, a controller 12 that has a power conversion circuit for outputting the electric current among the six electrode parts 13, a graphite sheet 141 that is formed from expanded graphite and arranged in the state of facing the electrode parts 13 within the device body 11, and a heater 21 for heating a part of the graphite sheet 141.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】身体を暖める機能を備えつつ、軽量化された筋肉鍛錬装置および治療器を提供する。【解決手段】筋肉鍛錬装置1は、身体にパルス電流を流すことにより筋肉に電気的刺激を与えて筋肉を収縮させる。筋肉鍛錬装置1は、装置本体11と、装置本体11に設けられた6つの電極部13と、6つの電極部13間に電流を出力する電力変換回路を有するコントローラ12と、膨張黒鉛から形成され装置本体11内において電極部13に対向して配置される黒鉛シート141と、黒鉛シート141の一部を加熱するヒータ21と、を備える。【選択図】図1