The Single-Leg Stretch works your abs and your obliques. Do between 5 and 10 reps for each side.
-The Single Leg Stretch. Lie back in the center of your mat with your knees bent. Lift your head and shoulders, and curl your chin in toward your chest. Inhale as you draw your left knee in toward your chest, placing your left hand on your ankle and your right hand on your knee. Lift your right leg about 45 degrees off the floor. Switch legs, extending your left leg while hugging your right leg to your chest. Switch hand positions each time you switch legs, placing your right hand on your right ankle and you're left hand on your right knee. You should do between 5 and 10 reps for each side. The single leg stretch works your abs and your obliques