On looking at the ExRx page on the cable lat pulldown: http://exrx.net/WeightExercises/LatissimusDorsi/CBFrontPulldown.html I noticed that the guy in the animation leans back a lot more when he pulls the cable down. I always try to keep my position straight and pull down in front of me without leaning back. I always thought it was bad form to lean back that much. However, should I be doing this, or does it not make a difference? Thanks.