Quote:I think injuries are going to shorten the careers of a lot of today's golfers.   Back in the old days, they didn't used to work out and build so much muscle mass.   A body can put on muscle mass, but as far as I know, you cannot improve the discs in your spine.   Today's younger golfers have added a lot of muscle, and as a result they swing so hard, it's difficult to imagine their spines holding up to that kind of stress over a long period of time.   But they have to do it.   It's an arms race out there.   If they can't drive the ball 340 yards, they are at a big disadvantage.   So they build up their muscles to win today, and by the time they are 40, I believe a lot of them will start breaking down physically.