Taylor Swift’s Trainer Reveals Her ‘Really Hard’ Eras Tour Workout Routine

You need to have major stamina and strength to perform 40 songs worth of music and choreography multiple times a week, as Taylor Swift did on the Eras Tour’s US run last year. And while Swift gave us a peek into her Eras Tour cardio routine last year — which involved daily running on the treadmill while singing her entire setlist — her trainer recently went into even more detail on what the pop star did to get her body ready for the physical stress of the tour.

According to Kirk Myers...