Aston felt his shoulders tighten and forced them to relax.

Julia's shoulders tightened, and almost at once she heard her husband's voice:

There was nothing to see except mostly leafless trees, but his shoulders tightened.

His shoulders tightened, but he continued to stare out the window.

The sound made me wince, shoulders tightening as if it had been a blow.

My shoulders tightened with the need to get away.

Paks felt her shoulders tighten, and forced herself to be still.

I could feel the muscles in my neck and shoulders tighten.

His shoulder, struck by a line drive last week in Seattle, had tightened.

I saw her shoulders tighten, but she was too shy to speak before so many men.