Modern Wisdom #046 - Alex Hutchinson - Endure; Finding The Limits Of Human Performance
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Jan 7, 2019 
Alex Hutchinson, journalist, endurance athlete and author of Endure, explores why some people quit while others keep going. He discusses endurance as a mental struggle, how belief and deception alter performance, the brain’s role versus physiology, perceived effort as the key limiter, mental training techniques like self-talk and mindfulness, and how endurance lessons transfer beyond sport.
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Endurance Is A Brain-Created Perception
- The 20th-century machine model of the body missed an important role for the brain in endurance.
- Modern research frames endurance as the brain integrating signals into a perceived effort that determines stopping.
RPE Is The Master Controller
- Rating of perceived exertion (RPE) summarizes body and mind signals into one sensation of effort.
- When RPE hits maximal, people stop regardless of specific physiological measures.
Startle And Adrenaline Raise Short-Term Strength
- Studies showed a startle (gunshot) or injected adrenaline briefly increased maximal biceps force by ~8–10%.
- These results illustrate how emotional/arousal states let the brain recruit extra muscle power.
