Some threads where posture is discussed
Posture and Emotions in Peter Levine's "In An Unspoken Voice" ,
Pat Ogden's "Trauma and the Body" ,
Affective Neuroscience
Gurdjieff highlighted the importance of posture.
[quote author=ISOTM]
You must understand that the three principal centers, the thinking, the emotional, and the moving, are connected together and, In a normal man, they are always working in unison. This unison is what presents the chief difficulty in work on oneself. What is meant by this unison? It means that a definite work of the thinking center is connected with a definite work of the emotional and moving centers—that is to say, that a certain kind of thought is inevitably connected with a certain kind of emotion (or mental state) and with a certain kind of movement (or posture); and one evokes the other, that is, a certain kind of emotion (or mental state) evokes certain movements or postures and certain thoughts, and a certain kind of movement or posture evokes certain emotions or mental states, and so forth. Everything is connected and one thing cannot exist without another thing.
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"Every race," he said, "every nation, every epoch, every country, every class, every profession, has its own definite number of postures and movements. These movements and postures, as things which are the most permanent and unchangeable in man, control his form of thought and his form of feeling. But a man never makes use of even all the postures and movements possible for him. In accordance with his individuality a man takes only a certain number of the postures and movements possible for him. So that each individual man's repertory of postures and movements is very limited.
The character of the movements and postures in every epoch, in every race, and in every class is indissolubly connected with definite forms of thinking and feeling. A man is unable to change the form of his thinking or his feeling until he has changed his repertory of postures and movements. The forms of thinking and feeling can be called the postures and movements of thinking and feeling. Every man has a definite number of thinking and feeling postures and movements. Moreover moving, thinking, and feeling postures are connected with one another in man and he can never move out of his repertory of thinking and feeling postures unless he changes his moving postures. An analysis of man's thoughts and feelings and a study of his moving functions, arranged in a certain way, show that every one of our movements, voluntary or involuntary, is an unconscious transition from one posture to another, both equally mechanical.
It is illusion to say our movements are voluntary. All our movements are automatic. Our thoughts and feelings are just as automatic. The automatism of thought and feeling is definitely connected with the automatism of movement. One cannot be changed without the other. So that if a man's attention is concentrated, let us say, on changing automatic thoughts, then habitual movements and habitual postures will interfere with this new course of thought by attaching to it old habitual associations.
In ordinary conditions we have no conception how much our thinking, feeling, and moving functions depend upon one another, although we know, at the same time, how much our moods and our emotional states can depend upon our movements and postures. If a man takes a posture which with him corresponds to a feeling of sadness or despondency, then within a short time he is sure to feel sad or despondent. Fear, disgust, nervous agitation, or, on the other hand, calm, can be created by an intentional change of posture."
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