If you’ve never stepped foot in a boxing gym, the idea of throwing punches may feel a bit intimidating. But I’m here to tell you that boxing is a fantastic total-body workout for all levels—beginners included. Each circuit in this workout is three minutes long, which is how long a fighter has each round in a ring. So I expect you to keep your body moving and heart pumping the entire time before moving to the next circuit. Ready to give it a go? All you need is your body and an open space in your home to throw some jabs. Your 4-week challenge: Every Monday for the rest of this month, I’ll be sharing a boxing-inspired workout to get your heart pumping and muscles firing. I challenge you to make it a goal to try something new, get back into a boxing routine, or take your stamina to the next level—aim to do my workouts two to three times a week to really feel the burn.