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The Heimlich Maneuver is a first aid technique used to relieve choking by expelling a foreign object blocking the airway. The correct action is to thrust firmly on the abdomen upward and inward from behind with a cupped fist. This maneuver creates increased pressure in the abdomen, which can help dislodge the obstruction from the airway.

The upward and inward thrust is particularly important because it directs force against the diaphragm and increases air pressure in the lungs, aiding in the expulsion of the object. This technique is designed to be applied effectively and swiftly to clear the airway and restore normal breathing.

Other methods mentioned, such as pushing down on the chest or encouraging coughing, are not appropriate for severe choking situations where the airway is obstructed. While it’s important for individuals to cough if they can, encouraging coughs does not produce the same immediate effect in expelling a blockage as the proper use of the Heimlich Maneuver. Similarly, giving abdominal thrusts while kneeling or from different positions may not provide the same efficient application of force necessary to resolve choking quickly.