Once you are faceup, immediately lift upper and lower body off floor into a V-sit position (torso lifted 45 degrees, legs together and extended diagonally toward ceiling, arms reaching for toes). Hold for two seconds. Lower body to floor, then roll over to start.
- Repeat, this time lifting left leg and rolling to the right to complete one rep. Do 5 reps.
Originally published in FITNESS magazine, March 2010.
Watch a video demonstration of this exercise