Dystonic cramps are where a muscle that is not needed for a movement is contracted 肌张力异常性抽筋，是指当进行某个动作时，不需要用到的肌肉却在收缩。
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Halo - vest immobilization was applied to prevent the instability coming from dystonic neck movement after surgery 患者接受颈椎间板术以解除脊髓压迫症状，手术后。
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Another factor to help prevent dystonic cramps would be to avoid excessive tension while performing the activity , which normally causes the cramping 另外就是避免在运动时过分得紧张，这通常是造成抽筋的原因。
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Here we present a rare case who was a male patient with long - lasting dystonic neck movement developing cervical myelopathy due to protrusion of disc in his relatively young age 这病人是一位24岁的脑性麻痹男性患者，自幼即有颈部的张力异常动作，但日常生活可独立。
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Cervical myelopathy had been noted in patients with involuntary neck movement , especially in individuals with athetoid - dystonic cerebral palsy ( cp ) 摘要颈部有不自主运动的患者，发生颈椎神经根或脊髓压迫病变过去仅有少数报告，主要发生在舞蹈型-张力异常型的脑性麻痹者。
