Works the core in balance: The Pilates PRO Chair allows you to focus on the areas of the body you want to work most– abs, waistline, hips, thighs, and buttocks. Yields cardio benefits: When performed in a quick, flowing motion, the Chair delivers a cardio workout while strengthening your core.
https://www.amazon.com/Lifes-Beach-Pilates-Chair-DVDs/dp/B01JQRUZD4

