This workout is 2 ab exercises followed by a cardio exercise.
Doing the circuit once is about 12 minutes and repeating it twice is 24 minutes. If you do the circuit twice, do the second exercise on the cardio exercises.
Workout
-30 crunches
-40 heel touches
-25 plank jacks/jumping jacks
-15 v ups
-10 leg lifts
-50 mountain climbers/high knees
-40 bicycles
-15 bent knee jacknives
-20 wide mountain climbers/pop squats
-40 Russian twists
-30 side crunches (R)
-10 bunny hops/burpees
-20 wide knee crunches
-30 side crunches (L)