to make powerful swings are built up even stronger than they would be after a normal game of golf. this is how professional golfers are able to use the lighter golf clubs and still make powerful shots that will go hundreds and hundreds of yards accurately.
another way to get better at golfing is to have some sort of putting green equivalent set up someplace that you can access it every day. use the same putter and the same golf balls that you would regularly use, and set up the situation like it would be at the end of a game. practice getting it into the hole over and over, so 