Why doesn swinging the arms faster produce more clubhead speed?
Well, it would, if the body [or torso] moved just as fast, but it usually doesn’t. When the amateur golfer tries to swing his arms faster, he’ll come over the top and hit either a pull, a pull-slice, or a pull-hook, depending on the position of the clubhead at impact. The top amateur or professional golfer, on the other hand, will do just the opposite: his torso will move too fast and the arms will get left behind. It’s what Tiger Woods refers to as “getting stuck.” Then the only way to hit a good shot is to flip the club through the hitting area and hope you get the timing right. Usually you don’t and the result is either a snap hook or a big block. Let me give you this example of why trying to swing the arms faster won’t generate more clubhead speed: the hammer throw. If you happen to watch an athlete do the hammer throw, you’ll notice his arms and torso rotating at the same pace. In other words, as he’s spinning around, building up momentum, the hammer will always be in front of his
