Progressive poundage is by far the best way to pack on muscle…but 5 lbs a week is waaayyy too much. That is eventually setting you up for over training. I had decent results with adding 5lbs every other week. I think that even may have been too much once I started getting into the heavy weight. I eventually plateaued. All this I am referring to adding 5 lbs to your starting weight for your first set every workout.