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Musculoskeletal System

"...It has long been recognised that posture may reflect emotions both in man and animals, e.g. the hangdog look. Expressions such as "bowed down with worry" or "they are a stiff-necked lot" are self-explanatory, while "being puffed up" with pride or "thrusting your chest out" suggest overfilling of the chest as seen in some sergeants or hostesses unsure of their position. A great variety of facial expressions, hand movements, scratching, shrugging of the shoulders and crossing of legs are all accepted forms of non-verbal communication. However, maintained positions of the head, neck, shoulders and spine have received less attention although long-standing imbalance or insufficient muscular support may lead to backache, neckache, arm and leg pains..."

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