Hotworx opened a fitness studio at 10226 FM 1488, Ste. 300, Magnolia, on May 23. It is a 24-hour infrared fitness studio that will offer isometric workouts, including hot yoga and hot Pilates, and three 15-minute-interval training workouts. 936-312-2004. www.facebook.com/hotworxmagnolialakewindcrest