F45, a training studio, opened on Feb. 18 at 5813 Preston Road, Ste. 564, Plano. F45 offers high intensity interval training in 45-minute classes. On Mondays, Wednesdays and Fridays, the studio offers cardio conditioning, and on Tuesdays and Thursdays it offers resistance-based training. Saturday classes are called "Hollywood Circuit," which is an hour long class with a DJ. 469-620-7474. https://f45training.com/planowest