I was playing golf today, and I noticed that while my drives are going about 220 yards, and my 4-iron went 170 yards, I had a full shot into the green from 118 yards and I hit a full 8-iron. That’s not very far for that club, given what I’m doing with the other two.
It struck me, though, that the reason is that I have to take care of my back when I swing. When I hit the longer clubs, I can stand more upright, which puts less stress on my spine.
But with a short iron, I have to bend way over (I’m 6’6″ tall). That puts a lot of stress on my spine, so I’m unconsciously reluctant to swing too hard.
If you have a bad back, and I know there are a lot of you out there who do, too, take this into consideration.
The more you bend over, the more of a load you place on your lumbar spine. Therefore, the more easily you need to swing a golf club in that posture.