The Fitness Center at The Emblem Prague Hotel
The fitness center at The Emblem Hotel is mentioned by writers. Of the 6 reviews tracked on TripExpert, 2 acknowledged the fitness center, such as Jetsetter and The Telegraph.
The Emblem Prague Hotel 
Jetsetter
The Telegraph
Jetsetter "Mind doesn't have to take precedence over body, though: The top-floor gym, sauna, steam room and rooftop spa terrace are illuminated by Prague's city lights"
The Telegraph "As well as slick, modern rooms, you’ll find a rooftop spa and gym, a cigar lounge and games room, and one of the city’s best steak houses is right next door"
