The structure extends below the level of the spineto prevent injury from a hard landing.
结构延伸的水平以下，以防止脊柱损伤硬着陆。
2
A cervical herniated disk may occur from injuryto the cervical region of the spine.
阿颈椎椎间盘突出可能发生的伤害脊柱的颈部。
3
No evidence exists to support cervical spine immobilization as a means of preventing neurologic injury progression in cases of penetrating cervical injury.