Want rock-solid abs? Try this hand-to-shin sit-up variation.

Hand-to-shin ab workout for obliques - PHOTO - Women's Health & Fitness

 

How to
Start with legs straight out and arms straight above, parallel to your ears.

Raise one leg and opposite hand towards each other. 

Return to start position and repeat on opposite side.

Breathe out at the top of the movement and inhale as you return to starting position.

Repeat movement 10 times.

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