Where do we start?
The problem with so much modern teaching is that it’s based on the physical abilities of younger golfers – elite ones, at that.
Which means you need excellent flexibility, core strength, and rotational speed to make it work as intended.
If you lack those things, you’re pretty much SOL. And you’re really screwed if you’ve got a bad back, achy joints, or a bum shoulder.
That’s where the Vertical Line Swing comes in.
Because it’s more vertical (upright) than horizontal (flat), there’s far less rotation required to: