Listen to Taylor Swift and you get the feeling she doesn’t do anything halfway. Even her ballads convey the kind of intensity that makes you want to confront limits and meet your best self. Or as Fitness+ HIIT trainer and co-curator Anja Garcia puts it, “Her music is perfect for fitness because it makes you feel like you can take on the world. And when you feel good and powerful like that, it makes you want to work hard.” So take her lead and turn up Taylor’s most inspiring, workout-friendly tunes.