Standing with your feet together and a dumbbell in your right hand, take a big step back with your right foot so you're in a deep lunge with the left knee bent and right leg straight.
Hinge your chest forward and rest your left elbow on your left thigh. Allow the right hand to extend toward the floor directly below the right shoulder. Engage your core.
Keeping your shoulder blades down and back, pull your right elbow back to row the dumbbell up between your right ribs and hip. Keep your chest square to the floor.
Slowly lower the dumbbell back to the starting position. That's one rep.