Headaches caused by tension can result in tightening of the muscles in the neck.精神紧张引起的头痛会导致颈部肌肉僵硬。

I felt a slight tightening of the throat.我感觉喉咙稍微有些发紧。

There was a tightening of state control over press and broadcasting.政府加强了对出版和广播的控制。