The weight of the bar is in your hands. Keep your joints stacked and in a straight line. Unrack the bar in this position.
Push Press Grip
Think about setting up almost like a front squat, fingers underneath the bar. Your body actually unracks the bar. This is an open grip. Your thumbs are not wrapped around the bar at the beginning.
Maybe you're not injured and you don't plan on being injured. (Ha!) Regardless, this article contains secrets to the weightlifting universe that will help you understand how the body works and, as they say, knowledge is power.