About 50% of surfer who are average don’t use their backfoot.
When you want to have a speed, you have to put your wait middle of your surfboard. You move your hip to the front. But if you put your weight too much on your front, you couldn’t control your surfboard. I mean that you can’t have a good turn.
When you turn, you have to put your weight tail of your surfboard. This is a most important things when you surf. if you use your weight perfect, you can get a perfect air.