The dumbbell racked reverse lunge is a popular lower-body movement that targets the muscles of the quads, glutes, hamstrings, and hips. Holding dumbbells in the racked position further challenges the core and upper-back muscles to maintain posture while the lower body moves. Lunge variations are often performed for moderate to high reps, such as 8-12 reps per leg or more, as part of the lower-body portion of a workout. If this movement hurts your knees, try performing split squats instead.