Golf provides opportunities for you to shape your shots by hooking or slicing them, use these techniques to learn how to move the ball in the air
Choke down on the club, make a three quarter swing and pick the ball clean
Your posture is determined by your arm swing. If you swing up and down on a two plane swing then you should stand more upright. If you swing your arms around on a one plane swing then stand more bent over on the balls of your feet.