From a square stance I cannot trace a straight plane line. I bend it to the right (i'm a lefty). I can do basic motion and I almost get to aquired motion when it all breaks down. I was playing around in my garage with an open stance, open hips, and my shoulders were still square and I realized that I could trace a straight plane line easier. How can a open stance and hips but shoulders square help me not bend the plane line to the right. I find my shoulder goes down plane alot better also. How is this?
this may be helpful till more knowledgeable members show up.
But it sounds like you 'roundhouse' from the square stance. Bending the plane to the right (for a lefty) sounds like your plane line is bending because your hip is in the way. So you have to go around it to get to the ball. Opening your stance seems to allow you more room (hips are cleared) to get your shoulder down plane without the bending. Why it works for you, I don't know. But if the ball goes where you want it to... Just keep doing it.
Hopefully someone with more smarts will show up and give a definitive answer.
JP
__________________ "Balance, Grip (7-2), and Plane Line (10-5) must be verified before every shot as long as the game is played."