Looking for a quick way to do this.

I'm making a music video where someone is lipsyncing lyrics to a song.

I place the video on the track, but the person's lips, are just a few frames off cue of the audio.  (Like a badly dubbed movie)

Is it possible to move the video forward or backwards a few frames using a mouse click or keyboard without having to zoom in and physically drag the video?

Linier editng would call this, "trimming the in point" where you would just have to press a button for every frame you wanted the in point to change.