Want a flat stomach and toned abs? Try this ab crunch with a twist.

Ab crunch: elbow to knee - PHOTO - Women's Health & Fitness

 

How to
Start with legs elevated in a V, bending at one knee and arms bent, hands by ears.

Crunch one elbow to reach opposite bent knee. Breathe out at the top of the movement.

Repeat movement 10 times per side.