How can I properly perform a bent over dumbbell row exercise to target my back muscles effectively?

To properly perform a bent over dumbbell row exercise to target your back muscles effectively, start by bending at the hips with a slight bend in your knees. Hold a dumbbell in each hand with your palms facing your body. Pull the dumbbells towards your waist while keeping your back straight and squeezing your shoulder blades together. Lower the dumbbells back down in a controlled manner. Repeat for the desired number of repetitions.