DISCLAIMER: You try this exercise at your own risk

-With two dumbbells your grip should be overhand and facing your body

-keep your abs tight throughout for a safer back, try not to bend backwards as the weight moves above your shoulders

-in a swift motion, with a slight bend in the knees throughout, use the lower body to create a momentum in bringing the weights up.

Works the upper back, rear shoulders, biceps and quads (staying in a partial squat)