Get ready for a full-body strength-training workout with Nike Global Master Trainer Betina Gozo. This workout includes circuits that will challenge and strengthen every muscle in your body. Grab a pair of medium weights, anywhere from eight to 20 pounds, and get ready for circuits that include tempo squats, single-leg deadlifts, and plyo skaters. After this sweet sweat sesh, you'll feel strong, sculpted, and just the right amount of sore!

On Betina: Nike. On Anna: Victoria Sport bra and tights,Glyder tank and APL shoes. On Kristel: Victoria Sport outfit and APL shoes.