Take the 7 Minute Workout to the bedroom with the Pile Driver

In positions like the Pile Driver that involve lifting body weight, sex counts as a high intensity interval training (HIIT) move that ramps up cardio, and improves flexibility and strength while burning fat--so you look good naked.

Tops get a workout from squat-like thrusts and stabilizing the core while doing the Pile Driver.

Bottoms get the benefit from stretching, which helps improve flexibility

Read the facts about HIIT the Bedroom.

Login or sign up to watch the full workout.

Try the Pile Driver position and use #HIITtheBedroom to share your photos, videos and comments.