Often misattributed to Per Henrik Ling, its techniques were first documented in the late 19th century and gained global recognition in sanitariums. https://unionsportsgroup.com/%EC%8A%A4%EC%9B%A8%EB%94%94%EC%8B%9C-%EC%98%88%EC%95%BD-%EC%82%AC%EC%9D%B4%ED%8A%B8%EC%9D%98-%EB%AA%A8%EB%93%A0-%EA%B2%83-%EC%8A%A4%EC%9B%A8%EB%94%94%EC%8B%9C%EC%8F%98%EB%A1%9C-%EC%89%BD%EA%B2%8C/