Rotten Tomatoes Score:
IMDb Score: 4.9/10
Killer Workout (Aerobicide)
Two years ago, a young woman named Valerie was burned after entering a tanning salon. Now, her twin sister, Rhonda, runs a local gym where, all of a sudden, people are being murdered.
Why it's Psychotronic: Gym-based David Prior '80s horror classic
Year of Release:1987