Often due to tight, contracted muscles in your shoulders, neck, scalp, and jaw, tension headaches result from stress, depression, or anxiety.

压力过大、压抑或者焦虑引起的肩膀、颈部、头皮和下巴的肌肉收缩往往是导致紧张性头疼的原因。

youdao

In addition, muscle groups in the throat and neck may be contracted or relaxed to decelerate or accelerate forced airflow created by the respiratory muscles.

此外，颈部和喉部的肌肉群也会收缩或者放松来减慢或加快呼吸的速度。

youdao

Father-of-two Mr Nicklinson, who was paralysed from the neck down, had been refusing food and contracted pneumonia after he was left "crestfallen" by the court's decision.

BBC: Tony Nicklinson