Classes
Kickboxing Classes
Brazilian Jiu Jitsu (BJJ)
Kids BJJ and No Gi Grappling
Mixed Martial Arts
Muay Thai
Boxing
KnuckleUp Barbell Club
Personal Training
Weight Training & Cardio
Training Camps
Kids Camp
Schedule
KnuckleUp Buckhead
KnuckleUp Alpharetta
About
The Story of KnuckleUp
Instructors
FAQs
Corporate Events
KnuckleUp Fitness Blog
Free Trial
CONTACT US
<span>Matt Callahan</span>
What's new?
KnuckleUp on CBS Better Mornings
by
.
in
Knuckleup Fitness News
Want to see a newscaster at a loss for words? Check out CBS Better Mornings’ Brandon Rudat as KnuckleUp trainer Matt Callahan puts him through the motions for a New Year’s resolutions theme...