A. Core: 3 rounds of: 30 sec. russian twist 30 sec. rest 30 sec. tuck ups 30 sec. rest 30 sec. flutter kicks 30 sec. rest B. from 0-12 min. 50-40-30-20-10 DUs air squats from 12-22 min. 40-30-20-10 DUs push ups from 22-30 min. 30-20-10 DUs burpees if you finish before the cap - rest