Your parents will be happy to know that those ballet classes you took as a kid aren't going to waste, thanks to a new wave of ballet-inspired workout classes popping up in cities all across the country. Put on your yoga wear, find your place in front of the bar, and stretch your way to a elongated, lean body - Black Swan style. But what class does what? Or are they all quite similar? Here's a rundown of some top classes across the country that use a bar as their main exercise equipment.
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