Serious eye strain can lead to persistent headaches, muscle pain in the head, neck and upper back, as well as long term problems like myopia.

严重的眼疲劳会导致长期的头痛，头部，颈部和上发背的肌肉疼痛，也可能会引起一个长期的问题近视。

youdao

Your head, neck and shoulders should be relaxed.

你的头，颈和肩应该放松。

youdao

Elongate your spine as if a thread extending from the top of your crown was pulling your head, neck and back straight up towards the sky.

伸展你的脊柱，好像有一根线从头顶直直的往上拉你的头，脖子和后背。

youdao

The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears.

VOA: special.2009.12.23

For years, researchers blamed muscle tension from tightening in the face, neck and the skin on top of the head.

VOA: special.2010.03.30

They will place extra covering around the chest, head and neck of hypothermia victims to keep them warm.

VOA: special.2009.12.30

Head and neck cancer has always been the next obvious indication for the drug.

FORBES: Can ImClone Rise Again?

The HANS device has increased safety by reducing the likelihood of head and neck injuries.

FORBES: UPS Packages New Story-Telling Marketing Platform And Delivers "Ideas that Changed NASCAR"

"Traditionally these head and neck cancers have been more common in people in their 70s, " she said.

BBC: Radiotherapy mask