- Lie on your back and open your legs into a diamond shape (known as Butterfly pose in yoga), with the soles of your feet pressed together and knees out wide. Extend the arms overhead.
- Curl the torso up, and tap the floor in front of your feet.
- Slowly lower back to the starting position to finish off one rep.
- Complete 10 reps.
Without a break, flow from one exercise to the next, repeating this 40-rep workout four more times for a total of 200 reps.