8th Rule of Thumb

The “8th Rule of Thumb” represents Joel’s innovative approach to transforming physiques, focusing on eight critical aspects of fitness and well-being. This unique system encompasses Nutrition, Water Intake, Resistance Training, Cardiovascular Exercise, Sleep, Active Recovery, Specific Goals for Sports or Shows, and Mental Well-being. It’s a holistic method designed by Joel to ensure comprehensive progress and success in bodybuilding and fitness endeavors, catering to the individual’s journey towards achieving their ultimate physical form and mental resilience.


In-Person and Online Personal Training, Nutrition, Lifestyle, and Bodybuilding Coaching in Denver, Colorado.

Joel Griffin working at Armbrust Pro Gym in between sets.