Work your core, abs and arm with this advanced plank exercise.

Plank with one-arm row - Advanced plank exercise -Women's Health & Fitness

How to:

Get into a plank position, eyes facing down and each hand resting on a kettlebell.

Keeping your back straight and your glutes tight, pull one kettlebell up toward your body in a row. 

Squeeze at the top of the movement then return to the start position and switch sides.