Energy System Training: The Mismatch Between Drilling and Competition
Energy system training can miss the sport’s actual bioenergetic demands. This explains the three pathways, their roles in recovery, and how to close the gap.
Cellular Energy
Cellular Energy
The Physiology of Hitting the Wall Running
Home / 1 — The standard explanation doesn’t hold up The Wall You Did Not See Coming Hitting the wall
Cellular Energy
The Three Energy Systems of the Body: Why Underperformance Start at the Cellular Level
The three energy systems of the body and why mitochondrial decline explains low energy and underperformance. A mechanism-based explanation for serious athletes.
What Causes Muscle Fatigue During Exercise: Why Performance Falls Off Late
What causes muscle fatigue during exercise? Four systems fail before you notice. Understand why performance falls off late even when you feel fine early
What Actually Limits Performance
Why Oxygen Utilization Matters More Than Oxygen Availability
In trained athletes, performance depends less on oxygen delivery than on oxygen utilization, how well working muscles convert delivered oxygen into ATP.
What Actually Limits Performance
The Limits of Human Performance: CNS Fatigue, Energy Supply, and Recovery
Your ceiling is rarely willpower. A systems view of CNS fatigue, oxygen, energy supply, and recovery, and how to find the one constraint limiting performance.
Sustained Energy vs Borrowed Energy
Overtraining Syndrome in Athletes: A System Failure
Home / ▶ Listen to this article 0:00 0:00 01 — Explaining the System How the Willpower Frame Gets It
Does Caffeine Give You Energy? The Adenosine Mechanism Behind the Crash
Does caffeine give you energy? Caffeine is the most widely used psychoactive substance in the world, yet, it does not work the way you think.
Sustained Energy vs Borrowed Energy
Glycogen Depletion and Mental Fatigue
Home / 01 — Energy Systems The Problem Isn’t Just Fuel: What Glycogen Depletion Actually Does Glycogen depletion is commonly
Fatigue, Recovery, & Durability
Sleep Hygiene for Athletes: The Most Underrated Performance Tool
1 — The BIOLOGY of REST Sleep Costs Nothing and Outperforms Everything Else Athletes manage their training load meticulously. They