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| Poor posture ： ウィキペディア英語版 |
Poor posture
Poor posture is the posture that results from certain muscles tightening up or shortening while others lengthen and become weak which often occurs as a result of one's daily activities. There are different factors which can impact on posture and they include occupational activities and biomechanical factors such as force and repetition. Risk factors for poor posture also include psychosocial factors such as job stress and strain. Workers who have higher job stress are more likely to develop neck and shoulder symptoms.
==Who is at risk==
Studies have shown that drivers of trucks and public transport vehicles are at a greater risk of lower back and neck pain syndromes as well as other musculoskeletal disorders than clerical workers, partly because of their poor sitting posture and lack of breaks. Clerical workers who use a computer for extended periods are at greater risk of upper extremity and neck pain, especially on the side where the mouse is used. Further studies have implicated poor sitting posture in the development and perpetuation of neck pain syndromes. Sitting for long periods without interruption with poor posture has been shown to cause postural backache.
Poor posture can result in spinal and joint dysfunction as a result of muscle changes. Poor posture can result in short term but more likely long term pain or damage.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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