The 4-minute Tabata workout that an ex-Marine swears by for ‘instant sweat’

Celebrity trainer and ex-marine Erin Oprea shares the 4 minute Tabata workout she recommends people do for a quick burst of intense exercise.

alt
Photo: Getty Images/jacoblund

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

Here's what to know before your first class.