From standing, hinge at your hips and walk your hands forward into a high plank. With a dumbbell placed behind your hands, reach one arm back under your body to drag the dumbbell slightly forward. Return to plank, then repeat with the other arm. Walk your hands back to standing and repeat the sequence.

Weight Recommendations:
Beginner: 5-10lb
Intermediate: 15-30lb

Advanced: 35-45lb