Fan Service - a term used to refer to elements in a story that are unnecessary to a storyline and are designed to amuse or excite the audience with sexually-derived content.
Something I've heard of but never seen, "Linnea Quigley's Horror Workout" is a title to that will command attention. But now, I have the video in my greedy little clutches!
And oh my.
This is nothing but a solid hour opportunity for Ms. Quigley to strut about barely clothed. What's funnier? The opening credits? They're all super imposed over her boobs as she soaps them up in the shower.