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A cervical fracture, commonly called a broken neck, is a catastrophic fracture of any of the seven cervical vertebrae in the neck. Examples of common causes in humans are traffic collisions and diving into shallow water. Abnormal movement of neck bones or pieces of bone can cause a spinal cord injury resulting in loss of sensation, paralysis, or death. ==Causes== Considerable force is needed to cause a cervical fracture. Vehicle collisions and falls are common causes. A severe, sudden twist to the neck or a severe blow to the head or neck area can cause a cervical fracture. Sports that involve violent physical contact carry a risk of cervical fracture, including American football, Goalkeeper (association football), ice hockey, rugby, and wrestling. Spearing an opponent in football or rugby, for instance, can cause a broken neck. Cervical fractures may also be seen in some non-contact sports, such as gymnastics, skiing, diving, surfing, powerlifting, equestrianism, mountain biking, and motor racing (as in Formula One driver Gilles Villeneuve's death from a cervical fracture). Certain penetrating neck injuries can also cause cervical fracture which can also cause internal bleeding among other complications. Hanging also incurs a cervical fracture. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「cervical fracture」の詳細全文を読む スポンサード リンク
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