(Telegraph) A poker face may not be enough to conceal a winning hand, according to new research which suggests gamblers may need a poker arm to emerge victorious. Keeping your cards close with an emotionless expression has been thought so successful for years that it has become a common term for tricks used to get ahead in life.
But a new study of the game has found that hand and arm movements when placing chips can betray the value of the cards a player is holding, even when they have the straightest face, the Independent reported.
Those who are confident that they could have a winning hand place their bets with a smoother arm that those who are trying to blag using poor cards, and observers can guess in just two seconds. Click here to read more.