First of all, it is important to understand the different mechanism between walking and running. Walking involves a mechanism called “inverted pendulum” in which the body center of mass “vaults over a relative extended leg, efficiently exchanges potential and kinetic energy out-of-phase with every step.” (Bramble et al., 2004) On the oth...
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...., 2007). Hence, the criticism of Pickering and Bunn about scavenging is somewhat irrelevant.
In conclusion, regardless of what driving force is behind endurance running, it is safe to conclude that human anatomy has evolved through time to give us the ability to run long distance. Early Homo has evolved new tendons and ligaments, changed in the anatomy, reinforced bones in lower body, and developed a better respiratory and heat ventilation system to help the body caring out a physical demanding task, endurance running. Evolution is one the most amazing process of nature; it gives rises to diversity and complexity to every biological organism from macro level to micro level. Thanks to evolution, we now have a diverse and wonderful world that we have not yet fully understood. “Look deep into nature, and then you will understand everything better.” – Albert Einstein.
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