Wai Khru Ram Muay is a warm up activity in Thai culture that is performed by participants in Muay Thai competitions. Wai is an action of Thais to show respect to others by putting the hands together like in prayer. Khru means teacher. Ram means dance in the old Thai traditional style. Muay means boxing. Usually Thais prefer to call it Ram Muay or Wai Khru for short. Ram Muay is the way to show respect to the teachers and the trainers. Also, in the past Muay Thai was usually fought in front of the King, so Ram Muay was also to apologize to the King for the brutality in fighting.