Dueling Hip Thrust Scene from underappreciated 1985 classic, Perfect

Aerobics, synthesizers, Jamie Lee Curtis in her prime -- it doesn't get more 80s than this. (This is not only a great 80s movie -- it also offers a documentary-like look at the sexy, glamorous world of investigative lifestyle journalism as Rolling Stone reporter --John Travolta -- goes undercover to expose the hidden secrets of singles-oriented health clubs, complete with hilarios cameo from real-life Rolling Stone publisher Jann Wenner.)