The Communication Kinesics can be described as "non-verbal communication provided by the kinetic behavior: posture, gestures, gait, body movements, facial expressions and eye contact."
As stated in this definition, the movimiento body are essential to the communicative act. If any external part of our body undergoes some change (eg musculoskeletal) part of our intended meaning may change.
Within the areas of language is one that specializes in the study of communication Corporal Expression element , such as gestures and postures that accompany the sounds produced by the vocal folds in speech. Over the years, the first researchers who were dedicated to this area, left desecciones the human body! as if they were studying anatomy, but we know that the expression is a living tool.
The expression is from a physical standpoint sde alteration and communicative point of view, a state change noticeable to anyone. These changes of state are those that can describe the various attitudes, emotions, feelings that you want to display consciously or unconsciously.
body posture, body position will give us signals about the willingness or not the interaction between partners, so she talks about open or closed positions. A position on the party is open when there is contact and delivery available. By contrast, one in which one party offers a displaced or inverted position and crosses his arms or legs, preventing the entry or approach of the other, and offering an attitude of disinterest or suspicion.