Five to six times a week, Danielle O’Brien, a 32-year-old nutritionist in New York City, hits the gym or a boutique fitness studio for a workout.

Sounds typical, but on top of those workouts, O’Brien adds into her workout schedule an of-the-moment trend in the fitness world: recovery.

She invests nearly $400 a month in a membership at ReCOVER, which bills itself as New York City’s first dedicated recovery studio. The studio also offers a la carte treatments that range in price from $25 to $130.       MORE