The term middle finger is used in reference to the gesture, the nonverbal version of “f*ck off” so often delivered in road-raging cars or when walking away from a heat-of-the-moment spat at a sporting event.

In many Western countries, holding up the index finger signifies "number one" or "first place." However, in some cultures, such as Greece, Russia, and the Middle East, holding up the index finger is considered rude and can be interpreted as an insult or a threat.

Index finger (Tarjani): Element - Air; Organ - Liver and Gallbladder. 3. Middle finger (Madhyama): Element - Ether (Space); Organ - Heart and Circulatory System.

The freely movable part of our hand is made up of five digits (four fingers and one thumb). Each finger has three individual bones, and the thumb only has two. The fingers have three joints each, which can only be bent and stretched in one direction.