Work your core then stretch it out. Start with Cat-Cow, Cobra and Down Dog, followed by Mobility Mountain Climbers and Planks. Your first circuit will include Sit Ups, Mountain Climbers, Super Planks and Leg Raises. Keep going with Russian Twists, Side Plank Reaches and Bicycle Crunches. Last, cool down with Cobra, Reverse Scorpion and Joggers.