About XDEF Fitness

Xtreme Definition Fitness is Chicago’s #1 rated exclusive personal training fitness studio!!! We are located in Mount Prospect, IL 60056 and now open in Roselle, IL 60172.



In this family-like, positive atmosphere, trainers will help put your mind, body, heart and soul in the best shape and help you maintain a healthier lifestyle. The educated, extremely passionate, and fit team of trainers is always ready to motivate you and whip you into phenomenal shape. Tell us exactly what your goals are, and our professionals will ensure you get the results! They will provide individualized diet and exercise programs for you to become healthier and happier. Commit to be fit!!!