Conclusion
While
walking conserve more energy by exchanging
potential and kinetic energy and use pendulum-like
swing, running do not exchange potential and
kinetic energy but store elastic energy by
actively stretching muscle. Although
cost of walking and running is varied in body
sizes, running generally is more costly for most
of territorial animals compared to walking same
distance. However, walking with high speed could
be more costly than running due to excessive
amount of oxygen input and lack of muscle stretch
and elastic force. These observations show walking
is mean to be minimize energetic cost for
locomotion for territorial animals, including
humans, while running use more energy to move more
quickly.
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