Pogo stick: Stand with feet apart, arms down and knees slightly bent. Contract abs and quickly push off toes, bursting up with feet and wrists flexed. Land softly on balls of feet with knees slightly bent. Repeat for one minute.
Sumo Squat With Side Arm Raises: Stand with legs wide and toes pointed outward slightly. Hold a pair of dumbbells in your hands with your arms straight and your palms facing down. Straighten your legs and lower your arms simultaneously.