You might never become a tour player in this life, but there's a part of the tour players' technique you can try and copy _ the address position.
When your body is angled properly at the start, you have the foundation for a repeating swing. It allows you to coil around a constant axis and swing the club up and down on the proper track.
The key to a good set-up is to tilt toward the ball from your hip joints, not your waist. The difference is subtle, but bending from the waist causes the back to get rounded. It's difficult to make a good swing from this position.
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