Did You Know That Cardio Uses 3 Different Energy Systems? Here’s How To Shape Your Workout To Maximize the Benefits of Each. Understanding the three cardiovascular energy systems, and how to ...

This re-synthesis of ATP is done by the three energy systems. The first 10 to 20 seconds of high-intensity physical activity is fueled by the “ATP-CP,” also known as the phosphagen energy system.

Your body’s 3 energy systems—and how to tap into each one 1. ATP-PC System (Anaerobic) Your body enlists the anaerobic system for activities like quick explosive sprints.This system uses a ...

Let's break down the body's three energy systems to shed some light on the way that your body runs. The Phosphagen System. When you start to exercise, the phosphagen system kicks into high gear, ...