Be stubborn about your goals.
Be flexible about your method.

20 Jumping Jacks
20 Squat/Side Leg Raises
20 Jumping Jacks
20 Burpees
20 Jumping Jacks
20 Lunge Twists
One Minute Plank Hold

3 Rounds/45 Second Break Between
OR
4 Rounds/30 Second Break Between
Need More of a Challenge? Add Weights to Squats & Lunges.