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。

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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。

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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。

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