Walking And Endurance: Why Children Tire More Easily Than Adults (And How To Calculate It)

Children have more energy than adults but why is it that when walking children tire first?    Do kids,  and perhaps even shorter adults, walk differently from taller people or do they tire faster for some other reason?  Max Kleiber's work on resting metabolic rates for different sized animals found that the bigger you are the slower each gram of tissue uses energy, but how and why metabolism is regulated that has been a puzzle. read more

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