Take the V-sit and put it on its side to target the obliques; you're going to love this variation.
- Lie on your right side, with your left hand behind your head and your right hand on the floor.
- Press down into your right hand as you raise your straight legs off the floor, bringing your torso toward your legs.
- Lower yourself back to the floor with control. This completes one rep.
- Do eight reps, then switch sides.