Phase I – Burpee Pyramid!
Set timer to 19 rounds of 25 seconds work 0 rest. A lot of rest at the beginning and end, at peak you will be doing 10 burpees in 25 seconds.
1-2-3-4-5-6-7-8-9-10-9-8-7-6-5-4-3-2-1
Phase II – Ab Bonus
100 Second Plank
100 Torso Twist Situps
100 Leg Raises