Courteney Cox Practices Budokon — What Is It? We don't usually see Courteney Cox getting active, like her BFF Jennifer Aniston, but it's clear the raven-haired Friend isn't a couch potato. Courteney has typically chosen to exercise indoors utilizing a combination of power yoga, weights, and Pilates, but more recently the actress has simplified her regimen by adopting a practice called Budokon that combines elements of all the things she enjoys.