Begin in a push up position with legs fully extended, buttocks contracted, and back flat with the belly button drawn-in towards the spine.
How to Do:
Bring knees to chest and then jump forcefully up in the air, arms to the sky, as if performing a jump squat.
Land in a stable position on the mid-point of the feet and quickly return to a push up position by kicking out legs into full extension and dropping onto hands.