PROBLEM TO BE SOLVED: To provide a stretch device that enables a user to stretch his/her waist without changing the posture of seating.SOLUTION: A stretch device 30 includes a pair of armpit support parts 31 that support armpits of a user in a seating posture, and an armpit support part height adjustment mechanism 32 that can move the armpit support parts 31 upward/downward.COPYRIGHT: (C)2014,JPO&INPIT【課題】座った姿勢のまま腰を伸ばすことのできるストレッチ装置を提供する。【解決手段】ストレッチ装置30は、着座姿勢の使用者の脇を支持する一対の脇支持部31と、前記脇支持部31を上下動可能な脇支持部高さ調整機構32とを備える。【選択図】図7