Car driving on the seat cushion between the neck, and can improve the driving force of cervical vertebra, alleviate the supporting physiological fatigue.
车枕置于座椅和驾者颈部之间，能提高颈椎承托力，缓解驾者生理疲劳。
2
The top or first cervical vertebraof the neck, which supports the skull.
寰椎，第一颈椎脖子上的第一颈椎，支持头颅。
3
Neck illness that is suffered by the illness ofvertebra artery: I had reached 2040 cases, the result is: deficiency of qi and blood, deficiency of liver and kidney, sputum, cold and wet, ecchymosis.