Arched feet didn't evolve to give us a spring in our step – but to

Experts used to think the arch was a lever to propel the body forward, but now researchers believe it developed to help us walk on two feet

Fossil foot bone shows our ancestor had two feet firmly on the ground, Anthropology

Overlooked arch in the foot is key to its evolution and function

How We're Wrecking Our Feet With Every Step We Take -- New York Magazine - Nymag

SoleSteps®, Uplifting Human Soles™, Fallen Arches

Evolution - The Telegraph

Humans evolved to walk with a literal 'spring' in our step - Study Finds

Why human feet evolved arches—and what happens if you lack them

Human evolution - The Telegraph

The Truth About Arch Support - A Meta Analysis of 150 Studies

Nike Alphafly: The science behind the fastest marathon shoe ever

Video Tutorial #12 Is Running Bad For Your Knees? How Does The Body Spring Back Safely From Impacts Of Running and Walking? - Dr. Stoxen

Adult acquired flatfoot deformity – fallen arches and flat feet treatments – Caring Medical Florida

UNDER ARMOUR UNVEILS ITS FASTEST PERFORMANCE RUNNING SHOE YET