Steve On Training

Steve On Training

Share this post

Steve On Training
Steve On Training
The New Rules Of Endurance

The New Rules Of Endurance

Part 2

Steve Bechtel's avatar
Steve Bechtel
Dec 04, 2024
∙ Paid

Share this post

Steve On Training
Steve On Training
The New Rules Of Endurance
Share

Energy Systems: 3 “Vehicles”

It all comes down to a thing called ATP. ATP is adenosine triphosphate, which means that the purine nucleoside adenosine is bonded with 3 (tri) phosphate groups. To produce energy in the muscles, the molecule is broken, leaving adenosine diphosphate (or ADP) and a free phosphate. The free phosphates are then “gathered up” by …

Keep reading with a 7-day free trial

Subscribe to Steve On Training to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Steve Bechtel
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share