Fuel, Fatigue and Fibre Types · Muscles
Fatigue is several problems at once — and partly in the brain.
There is no single reason a muscle stops cooperating. Fatigue is a pile-up: fuel stores running low, the chemical environment inside the fibre shifting, calcium handling becoming less crisp — and, importantly, your nervous system easing off.
There's more: fatigue is several problems at once — and partly in the brain. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.
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