Lower Body:
Rooting your feet
Pushing your toes through the end of your shoes
Spreading the floor
Driving your knees out
Squeezing your glutes as hard as you can
Driving your hips up
Torso:
Bracing your trunk
Driving your belly up to meet the bar on the descent (meet the bar)
Driving your belly up harder on the press (chase the bar)
Arching the back: upper & lower *upper is more important
Squeezing your shoulder blades as tight as you can
Standing up on your shoulder blades
Pulling your lats together
Arms:
Locking your arms
Shortening the stroke
Stretching the bar apart
Twisting pinkies onto the bar
Controlling the bar path down
Pausing at the chest and not collapsing
Pressing the bar to lockout
Full Body:
Doing all of these things at the same time
Using Leg Drive to get the bar moving and finish