Your left leg gets your hip to work correctly. Practice making swings where your arms have room to swing.
If your body gets too close to the ball, you won't be able to swing. Practice getting your center away from the ball.
When your hips begin to work correctly, you are on your way to being a really good player.
The golf swing is one fluid motion. Once you can identify what your impact position looks like, practice making small swings.
