Below you can find the Named for its inventor this method of body conditioning dates back to the 1920s Jeopardy Words Answer. The answer to Named for its inventor this method of body conditioning dates back to the 1920s has 7 letters. This clue belongs to the Around the gym category and is part of Jeopardy Word Level 2173. If you scroll near the bottom you will find other clues and answers part of level 2173