Ready for some tummy-toning, core-strengthening ab work? Let's work those muscles! MNT Studio owner and founder Elaine Hayes created this do-anywhere, no-equipment workout just for you. It's simple (read: great for Pilates newbies!) but incredibly challenging (read: your abs are going to be on fire). With just five moves and a little space to move, you're going to put that midsection to work — and it also might hurt to laugh for the next few days. Get excited!
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