Join fitness trainer Mercedes Owens [1] for a 30-minute full-body dumbbell workout for that will have lifters of all experience levels feeling accomplished by the end. She'll take you through a series of push-ups, squats, alternating bicep curls, mountain climbers, and other exercises that will put your whole body to work. Grab a mat and a set of dumbbells — feel free to go as light or as heavy as you want — to fire up your muscles!

Get summer ready with GNC [2].

Owens's Outfit: Koral