A serious poker player learns pretty quickly that studying the strategies of the games and putting these strategies into practice is not all it takes to be a winner. A little bit of psychology and knowing how to read body language is a pretty good asset to have any time you play poker and knowing body language is what the tell is all about.
A tell is any behavior, physical reaction or subconscious habit a player exhibits when contemplating an action: betting, calling, raising or reacting to another players action. If you are knowledgeable about tells, you have the advantage of knowing what certain players may do at any given time in the game. Additionally, having this knowledge will help you keep your own tells under control.
Of course, tells are learned best when playing with familiar opponents but with some experience you can read many players after a few hands.
In the movie House of Games, one of the best examples of a tell is when a player twisted his ring whenever his cards were weak. One of his opponents who was aware of this tell used it to his own advantage. Although all tells may not be that obvious, here are some tells that should stand out to any...