Think you’ve mastered the burpee? Get back to me after you flip it and reverse it

Yeah, yeah... I know. Burpees are loathsome. But if you're up for a challenge, you're not going to find anything better than the inverted burpee.

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Photo: Getty Images/Sumners Graphics Inc

Adult Ballet is on the Rise—And Yes, You Should Totally Try it

Here's what to know before your first class.