Planking or the lying down game is an activity consisting of lying face down in an unusual or incongruous location. The hands must touch the sides of the body and having a photograph of the participant taken and posted on the internet is an integral part of the game. Players compete to find the most unusual and original location in which to play.It seems that my cat like planking game too. Read about the cat flexibility in this blogs. http://factaboutthecat.blogspot.com/2011/07/yoga-like-posting-cat.html
