trigger point
noun1
An event, arrangement, provocation, etc. that leads a certain, generally violent or angered, action to be taken.
- The unbalanced terms of the treaty was a trigger point for the war.
- Me wanting to spend time with other people is a big trigger point for him.
2
A hyperirritable spot in the skeletal muscle; a point in tender muscle that tends to elicit pain upon pressure or touch.