Orangetheory Fitness opened Sept. 27 in Friendswood at 1769 S. Friendswood Drive, Ste. 100. The gym offers heart rate monitoring technology to its patrons. The high intensity interval training features exercises with water rowing machines, treadmills, free weights, total resistances exercise, or TRX, straps and abdominal equipment. The 3,265-square-foot studio can hold up to 28 people per class. This is the first Friendswood location and the 21st Houston location for Orangetheory Fitness. 832-481-4483.