It doesn't matter if you're Ernie Els or just a weekend player; everybody who plays golf wants to play better. But taking lessons and putting in hours of practice aren't the only ways to improve your game. You need to be in shape to play your best. In fact, the right fitness routine can mean more to your game than tinkering with new swing techniques or purchasing the most expensive equipment. And you don't have to be David Duval, Tiger Woods, or Ernie...