If the door swing is on your left, it is a left-hand door. Right-hand door swing. Open the door and stand with your back to the swinging door hinges.

Using your left hand, ... Open a door. Swing the door open by sweeping your left arm and club across your chest. ... You’ve constructed the perfect Reverse-K impact position.

Make sure: (1) Your left leg gently bumps the wall as you start down, and (2) the back of your left hand faces the wall as it comes down in front of you. Now you're ready to put the push-pull to ...