Bad Habit: Writers adding short adverb sentence modifying/emphasizing preceding sentence. Frequently.

What is it called when you add a modifying single-adverb sentence after a main sentence. Is there a specific term that describes the technique?

You know what I mean. Probably.

There's a number of writers who have that habit, and I personally find it annoying to read.
Extremely.

It's a nasty little affectation, and I find it disrupts the flow of reading. It often happens at the end of the chapter.
Frequently.