By
eHow Home & Garden Editor
Difficulty: Moderately Challenging
Step1
Assess the situation and make sure the door is actually locked. Try other methods to get into the house or locked room, as kicking down a door will undoubtedly cause damage--to the door, and maybe to yourself as well.
Step2
Focus on the area where you will apply your kicks. The best place to kick is around the lock area or just below the doorknob.
Step3
Position yourself several feet away from the door, with your dominant foot closest to it. Using your dominant leg, give a powerful sidekick to the area you have focused on (below the doorknob or around the lock area).
Step4
Repeat Step 3 once or twice more if the door does not open. If it still doesn't open, stop trying to kick down the door. You may end up doing excessive damage to the door, and you could hurt yourself. It's best at this point to either find an alternative entrance or call for help.