Carrie Underwood Trains Intensely to Prep for Her 'Physical' Concerts: 'I Have to Keep Up with Myself'
Carrie Underwood.Photo: BODYARMORBetween life on the road as acountry music superstarand a mom to two young sons,Carrie Underwood’s schedule is packed with places to be and people who need her. So when she fits in her workouts — an essential part of her day that she considers “therapy” — Underwood has a little trick to switch her mind over intothinking about exercise.No matter the workout, Underwood, 39, likes to start out on the treadmill, she tells PEOPLE....