The Most Certified Kettlebell Instructors in Tucson We have seen exponential growth at Evolution Fitness over the past year. As a [...] By HSummerton|2018-11-06T21:46:04+00:00August 29th, 2013|Categories: Blog|Tags: fitness, Kettlebell classes tucson, kettlebell training Tucson, pavel tsatsouline, personal training tucson, sfg tucson, strength training tucson, strongfirst tucson, tucson|