Watch The Firm: Express Cardio (1970) : Full Movie Online Free Express Cardio packs all your favorite cardio styles plus some new FIRM tested techniques into one 30 minute workout! FIRM Master Instructor Stephanie Huckabee will keep you moving and grooving so well, you won't have time to think about stopping. It includes just enough of everything to keep you motivated and get you the body you want. You'll have fun with cardio on the floor, the 6" height of the FIRM Box, the incline and more! And you'll perform the all-new FIRM Quick Leg Press for maximum fun and results.