Performing the: A Step-by-Step Tutorial Dumbbell Rear Lunge from Step
Take a step back with your right foot, lowering your body into a lunge position. Your front knee should be bent at a 90-degree angle and your back knee should almost touch the ground.
Make sure that your front knee is directly above your ankle, and your other knee is pointing down towards the floor.
Push off your right foot, returning to the starting position.
Repeat the movement with your left leg, and continue alternating legs for the duration of your set.