It is crucial that the upper back and neck are held in an erect position to give support for the head.
重要的是：上背和颈部要挺直以支撑头部，这一点很重要。
The neck of four footed animals is usually long, to have them reach their food without difficulty, but the elephant has a short neck, to make him more easily support the weight of his huge head and heavy teeth.
四足动物的脖子通常很长，这样它们就可以毫不费力地够到食物，但是大象的脖子很短，这样它就可以更容易地支撑它巨大的头和沉重的牙齿的重量。
Advantages: Last 15 to 20 years; offer significant support for head and neck; resistant to dust mites.
优点：能使用15至20年；对头部和颈部支撑性好；防尘螨。
But is there enough evidence to support treating chronic migraine sufferers with regular shots of the toxin around the head and neck?
不过，是否有足够的证据证明慢性偏头痛患者定期在头颈部位注射肉毒杆菌素有助于治疗头疼呢？
They can be used to support your head, neck, lower back, arms or feet and may be filled with beans, foam or air.
它们可用于支持你的头，颈部，腰部，手臂或脚可能与豆类填补，泡沫或空气。
The chair should give you support for a proper body posture including sufficient cushioning to the knees, back, neck, head and especially around your lumbar region.
躺椅可以给您的身体一个正确姿态，包括足够的缓冲到膝盖，背部，颈部，头部，尤其是给您的腰椎得到完全舒适的支撑。
If you have any difficulty doing this, support the back of the head and neck on a folded blanket.
如果你做这个有难度，用毛毯来支持头和颈部的后侧。
Support a child's head and neck when sleeping.
在孩子睡觉时，支撑保护孩子的头部和颈部。
Support child's head and neck when sleeping.
在孩子睡觉时，支撑保护孩子的头部和颈部。
As the neck to support the weight of the head and rotation, the sebaceous glands less off than the face, there is the pull of gravity.
由于颈部要支持着头部的重量和转动，皮脂腺分泌又比脸部少，还有地心引力的作用。
Neck de-tenser Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
Neck de-tenser4 Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
Neck de-tenser4 Lie on your stomach, elbows on floor. With eyes closed, cup chin with your left palm and support the back of your head firmly with right hand.
放松颈部动作俯身卧倒，腹部着地，双肘着地，闭上双眼，左手掌呈杯状托着下巴，右手用力扶着头后部。
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