Can playing horsey get you fit? Urologist Dr. Jennifer Berman tries a grown-up-sized toy pony that promises to give riders a workout!

Watch: Three Cheers for New Cardio Trend?

Users move up and down in the stirrups to power the plush steed as it scoots across the floor. “It’s harder than it looks!” proclaims Dr. Berman after taking a spin or two around the stage.

She thinks it offers a decent cardio workout, but she doesn’t really feel it in her legs. However, Dr. Berman rides real-life horses regularly, so her thighs may be in better shape than most.

Watch: Electric Shock Workout?

ER Physician Dr. Travis Stork takes a turn with the pony and agrees, “I can’t tell you how much fun it was!” And a fun workout is one you’re more likely to stick with.