Falstaff Travel Goldlist: the world's best hotel gyms

The young man in the sweaty training outfit repeatedly drops to his knees, remains there for a while and comes up again in a controlled manner. All this takes place under the watchful eye of Sanjin Burazin, Head Coach at SIRO Hotel Dubai. The empty barbell on the young man's shoulders is disconcerting; in vain you look for weights. "Anyone who only trains for muscle has long since missed the boat," says Burazin succinctly. He has already trained tennis star Novak Djokovic and finds it hard to get rattled.