[sidebar]1. Cardio Box JumpWorks: Butt, thighsTo do: Stand facing plyo box. Hinge at hips and jump on top of box. Jump or step down. (Modify by stepping up.) 2. Single-Leg LungeWorks: Butt, thighsTo do: Stand on left leg with top of right foot on plyo box. Bend left knee, lowering right knee toward floor. Complete reps; switch sides. 3. Incline Push-UpWorks: Arms, chestTo do: Start in pushup position, hands grasping sides of box. Bend elbows, lowering body until chest grazes box. Push up to straighten arms. More from Prevention:The Pilates Move That Tones Your Whole Body