Ok, I know that this should probably go in the workout section, but this is really the only section I post in, so this is where I'm putting it.
For years I have been doing my shoulder press sitting down and only recently have I been doing them standing. What an amazing change up for me. I get the bar down nice and low on my upper chest and explode up using a little push from the legs, just a little dip. After 5 sets my delts are burning big time.
Anyways this guy is sitting on the bench and when I get done with my set, says that I wouldn't be able to do as much weight without my little leg thrust. I said I know and thanks. Then he makes a comment as he is getting under the bar, can't go through life cheatin, its gonna catch up with you. As I'm stripping my weights off I say, better to be thought a fool, then open your mouth and remove all doubt. He racks his weight and acts all pissed off, just trying to help he says as I moved over to the DBs.
Anyways, a little leg thrust is a good thing I always thought. That is how we were taught in college by our strength/cond coach, but that was years ago and maybe I am out of the loop. Honestly, this is now one of my favorite exercises.