研究主題

Endurance Sport

7 篇文章

🚴

There's a Respiratory Limiter in Competitive Cyclists and Runners That Interval Training Never Touches. Most Athletes Don't Know It Exists.

Dempsey 2006 identified the metaboreflex: inspiratory muscle fatigue diverts blood from working legs. McConnell Romer 2004 shows IMT gives 15% performance gain. Here's the protocol.

5 分鐘閱讀 · 2026-09-08

⚡

Your Ferritin Is Low. You're Taking Iron Supplements. Why Isn't It Working? The Answer Is in the Biology, Not the Dose.

Non-haem iron bioavailability is 1–20% depending on absorption promoters and inhibitors. Hepcidin — the master iron regulator — is elevated for 3–6 hours post-exercise, blocking intestinal iron absorption. Knowing this changes supplementation timing completely.

5 分鐘閱讀 · 2026-09-08

⚡

The Genetic Condition That Makes Iron Supplementation Dangerous for 1 in 200 Athletes

While iron deficiency gets all the attention in endurance sport, hereditary haemochromatosis causes iron overload in 1 in 200 people. Here's what athletes need to know.

5 分鐘閱讀 · 2026-09-01

⚡

Exogenous Ketones: What the Evidence Actually Shows for Athletic Performance

Ketone esters and salts are marketed as a fourth fuel source for athletes. The evidence is mixed, nuanced, and training-status dependent. Here is what Cox, Holdsworth and Dearlove actually found.

5 分鐘閱讀 · 2026-08-25

⚡

Every Endurance Athlete Knows Protein Matters. Almost None Know Their Biggest Immune Nutrient Is Quietly Depleted at the Finish Line.

Glutamine drops 20–30% after prolonged exercise, suppressing lymphocyte activity and URTI resistance. Here's the science and how dietary protein protects immunity.

5 分鐘閱讀 · 2026-08-25

⚡

You've Been Using Caffeine Wrong Before Your A-Race — The Sensitivity Reset Protocol

Regular caffeine users blunt their own ergogenic advantage. A structured pre-competition washout protocol restores adenosine receptor sensitivity — maximising race-day caffeine effect.

5 分鐘閱讀 · 2026-07-14

⚡

The Athlete's Heart: Why Your Enlarged Cardiac Chambers Are a Feature, Not a Bug

Endurance training enlarges the heart. The athlete's heart is not a pathology — it's the most efficient cardiovascular adaptation in human physiology. Here's how it works.

5 分鐘閱讀 · 2026-06-30