0
Skip to Content
OPEX Fitness
The OPEX Legacy
The OPEX Method
The OPEX Story
Coaching Certificate Program
OPEX Success Stories
Events
LearnRx
CoachRx
All Free Resources
10-Minute Airbike Test
The Math Behind a $150K + Coaching Practice
Coach With Confidence
How to Assess & Progress Aerobic Training
OPEX Coaching Blueprint
AMA With James Fitzgerald
Blog
OPEX Fitness
The OPEX Legacy
The OPEX Method
The OPEX Story
Coaching Certificate Program
OPEX Success Stories
Events
LearnRx
CoachRx
All Free Resources
10-Minute Airbike Test
The Math Behind a $150K + Coaching Practice
Coach With Confidence
How to Assess & Progress Aerobic Training
OPEX Coaching Blueprint
AMA With James Fitzgerald
Blog
Folder: About
Back
The OPEX Legacy
The OPEX Method
The OPEX Story
Folder: OPEX Method Mentorship
Back
Coaching Certificate Program
OPEX Success Stories
Events
LearnRx
CoachRx
Folder: Free Resources
Back
All Free Resources
10-Minute Airbike Test
The Math Behind a $150K + Coaching Practice
Coach With Confidence
How to Assess & Progress Aerobic Training
OPEX Coaching Blueprint
AMA With James Fitzgerald
Blog
3/26/25

Anaerobic vs. Aerobic-AMA with James FitzGerald

Previous

Amino Acids-AMA with James FitzGerald

Next

Approaching short term clients-AMA with James FitzGerald

You Might Also Like

Related Embedded Video Item Thumbnail Crossfit Open 19.1 as an Aerobic Test-AMA with James FitzGerald
Related Embedded Video Item Thumbnail Is swimming Anaerobic Alactic Power-AMA with James FitzGerald
Related Embedded Video Item Thumbnail How to Gain Lean Muscle Naturally and Lose Body Fat
Related Embedded Video Item Thumbnail OPEX Advanced Aerobic Work-AMA with James FitzGerald
Related Embedded Video Item Thumbnail Mixed Modal for the General Population-AMA with James FitzGerald

About

About
Meet The Team

Ambassador Program
Careers

Learn

OPEX Method Mentorship‍ ‍Events‍ ‍LearnRx
CoachRx
Free Resources
Blog
Podcast

Resources

Contact

OPEX Apparel Store
Privacy Policy
Request Review of Personal Information
Terms & Conditions

Subscribe

Sign up for our mailing list and receive coaching tips, free guides and resources directly to your inbox.

Follow Us

© 2026 OPEX FITNESS