The Fhitting Room
The Fhitting Room's kettlebells and resistance bands

Try as we may, it appears we can’t avoid this high-intensity fitness trend any longer. But rather than going anywhere near a CrossFit box (sorry, it’s just not in us), we opted to check out a seemingly less aggressive version: the Fhitting Room.

A play on the acronym HIIT (high-intensity interval training), the new Upper East Side studio may look colorful and welcoming, but fair warning, it still dishes out a killer total-body workout. (A decent base fitness level is probably best to start.)

Upbeat trainers led us through the 50-minute class ($35) of strength-training and endurance-boosting drills like squats, kettlebell movements and TRX-style band-resistance exercises.

Unlike jam-packed boot-camp classes, the Fhitting Room has a limit of 12 people per session, so you receive more personalized training--meaning the instructors will actually remember your name. But as nice as they are, it’s practically impossible not to wish terrible things on them the next morning.

Once we calmed down, though, and got a latte in us, we came to the conclusion: Better to curse a kettlebell than an actual fitting room.

1166 Lexington Ave. (at 80th St.); 212-772-1166 or fhittingroom.com

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