But just because the beach countdown clock is ticking, you might not want to bust out of winter hibernation mode just yet. That’s why we love this gentle Pilates exercise: It feels good and opens the chest while toning bathing suit hotspots like your arms and waist. The move you need to try: the Pilates Snake. Typically performed on on a piece of fancy equipment, Pilates expert and author of Women’s Health Big Book of Pilates Brooke Siler shows a variation of the sculpting move that requires only a mat. Do three, slow controlled reps on each side and you’re done, so you can get back to the important things—like your House Of Cards marathon. More from Prevention: 10 Must-Have Pilates Gear