Below you can find the Work your legs arms & upper back on a machine simulating this an olympic sport since 1900 Jeopardy Words Answer. The answer to Work your legs arms & upper back on a machine simulating this an olympic sport since 1900 has 6 letters. This clue belongs to the Around the gym category and is part of Jeopardy Word Level 2601. If you scroll near the bottom you will find other clues and answers part of level 2601