Expert Pilates instructor Isa Welly shares these dos and don'ts to get the most out of your Pilates workout and avoid injury. This advice is important for anyone new to Pilates but also a good refresher if you've been doing it for years. Welly offers tips on breathing and correct alignment in postures and how to do exercises without pain because, she said, you shouldn't feel straining or pulling. Pilates should be gentle but intense, and you want to work in a safe way by avoiding these common mistakes. "It's all about your body first, your health," Welly said. This 17-minute video is packed with essential tips you can use the next time you do Pilates.