VintageGenetics – Bodybuilding Leg Workout For Mass. Back squat 6 reps – 10 reps; Leg press (narrow) 4 sets – 15 reps (constant tension); Dumbbell/ Kettlebell lunges 3 sets – 18 steps; Romanian Deadlift (dumbbell) 4 sets – 10-12 reps; Seated calf raise 3 sets – 21’s.