An integral part of every in-flight safety demonstration, the position is used in the event of an aircraft emergency.
Passengers are told to place feet and knees together, rest feet firmly on the floor, then place the head against the surface of the seat in front.
The manoeuvre is designed to reduce your chance of a head injury by positioning your head as close the the surface it is most likely to hit.
It’s also used to prevent your body from jackknifing.
But there have been pervading conspiracy theories over the years that the brace position might not be a safety move at all.Related articles
GETTY•ALAMYCan the brace position save lives in the event of a plane crash?
Some skeptics have suggested the brace position could in fact kill you quicker, by breaking your neck.
There are various justifications for this, from reducing an airline’s medical costs to ensuring a quick and painless death.
Aviation experts discount these theories, insisting the position can make a dramatic difference when it comes to survival.
British Airways pilot Captain Steve Allright explained the benefits of using the brace position in the event of a flight emergency.
Captain Allright said: "Flying is one of the safest forms of transport. The need to use the brace position is incredibly rare. However, it is a globally recognised safety technique.”
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ALAMYCan the brace position save lives?