In Vrindavan,there is a temple of Lord Krishna named "Bankey Bihari" and Lord Krishna's another name is also Bankey Bihari. So,why Lord Krishna's another name is Bankey Bihari?
'Bānke' means 'bent', and 'Bihāri' or 'Vihāri' means 'enjoy-er'. This is how Kṛihṣṇa, who is bent in three places, got the name "Bānke Bihāri" as gathered from materials.
According to Śrī Brahmasaḿhitā (verse 5.31), Brahma says the following about Kṛiṣhṇa:
"I worship Govinda, the primeval Lord, round whose neck is swinging a garland of flowers beautified with the moon-locket, whose two hands are adorned with the flute and jewelled ornaments, who always revels in pastimes of love, whose graceful threefold-bending form of Śyāmasundara is eternally manifest."
The Indian classical dance of Odissi is characterized by various Bhangas or stance, which involves stamping of the foot and striking various postures as seen in Indian sculptures, they are four in number, namely Bhanga, Abanga, Atibhanga and Tribhanga being the most common of all. The Sanskrit term Tribhanga means Three Bhanga and according to K. M. Varma the term Tribhanga is not the name of a particular standing position but is used in the Silpasastra literature to describe the group of the “Three Bhangas”, namely Abhanga, Samabhanga, and Atibhanga.
This image below shows Lord Krishna's Tribhanga.