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.
If your posture kinda sucks, you may be one exercise away from injury. Here's what to skip, plus alternatives to get you jacked and fix that ugly posture.