Uploaded September 2025 | Updated September 2026, 2 hours ago

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Ever wonder why your muscles quit during a workout? The real culprit isn't lactic acid or energy depletion. It's about ion flow. When you exercise, your muscle cells lose the ions needed to receive signals from your brain. This video explains muscle fatigue in simple terms.

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🎬 Credits
Script: Wayne Foong
Illustration: Ye Min Htet, Fauzan Arief
Editing: Kenneth B. Bañanola

💡 Inspiration credit: youtu.be/rLsimrBoYXc