In reality, they are nothing more than a relief from great internal stress, which expands, especially in the muscles of the face, neck and upper part of the trunk. "These are involuntary gestures of victims that make people very nervous or experiencing crisis situations. By craning his neck, according to psychologists, he expressed his desire to highlight and compensate for inferiority complexes. frowns that have great aggressiveness, especially when frustrated. However, specialists consider them positive for the body, just like its safety valve. (Friston, K., Adams, RA, Perrinet, L. and Breakspear, M.. (2012)