Body language the investigators' themselves. The body language of the members of law enforcement might influence the accuracy of eyewitness accounts. The game of poker involves not only an understanding of probability, but also the competence of reading and analyzing the body language of the opponents. A key component of poker is to be able to "cheat" the opponents. To spot these cheats, players must have the ability to spot the individual "ticks" of their opponents. Players also have to look out for signs that an opponent is doing well. Kinesics is the study and interpretation of nonverbal communication related to the
Body culture studies word "body culture" appeared for first time around 1900, but at that time signifying a certain form of physical practice. The so-called "life reform" (German "Lebensreform") aimed at the reform of clothing and of nurture and favoured new bodily activities, which constituted a new sector side by side with established gymnastics and sport. The main fields of this third sector of movement culture were nudism, rhythmic-expressive gymnastics, yoga and body building (Wedemeyer-Kolwe 2004) as well as a new type of youth wandering. Though highly diverse, they found a comprehensive term in the German word "Körperkultur", in English physical culture (→physical