Stand in an upright position. Stand to face the door with open legs shoulder-width apart and knees slightly in buckling. If you feel able, hold your hand or arm on the wall, hold firmly then push the door with your body. However, don’t hesitate to call the locksmith if you don’t want to do this extreme measure.
In addition to using the body, you can also break into your door with your feet. The way is simply standing firmly in front of the door, Inhale and collect your strength. After that kick your door with a strong force so that your door can open.
Smash the door by using a door breaker. This method is assessed and recommended to everyone. It is because in addition to breaking the door is stronger, your body will not feel sick or sore when slammed into the door. So to be more secure choose this way.