“Relying on signs of damage in the muscles to alert us to fatigue would put us perilously close to collapse every time we exert ourselves. Shutting down physical activity in advance ensures a safe margin of error, and means we can continue to function even after an exhausting challenge.”

“Relying on signs of damage in the muscles to alert us to fatigue would put us perilously close to collapse every time we exert ourselves. Shutting down physical activity in advance ensures a safe margin of error, and means we can continue to function even after an exhausting challenge.”

— Jo Marchant