How do ostrich can run fast then us ???
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Ostriches, which are the fastest bird on the land, use tendons to store and return twice as much elastic energy per step than humans.
This reduces the work required by their muscles providing a huge advantage in the "spring of their step", according to the findings published in the Journal of the Royal Society Interface.
Understanding what allows these species to run with such little energy expenditure is of interest to biologists, as well as to engineers trying to fabricate more efficient robots and prosthetic limbs.
Using state of the art biomechanics equipment sports scientist Dr Jonas Rubenson and colleagues compared the running techniques of two humans and five ostriches to understand why the cumbersome looking creature is so much more adept.
The ostrich runs at 43mph while Usain Bolt, the quickest human of all time, can cover the 100 metre dash in just under 28mph. The cheetah is the quickest of them all, reaching speeds of up to 70mph.
This reduces the work required by their muscles providing a huge advantage in the "spring of their step", according to the findings published in the Journal of the Royal Society Interface.
Understanding what allows these species to run with such little energy expenditure is of interest to biologists, as well as to engineers trying to fabricate more efficient robots and prosthetic limbs.
Using state of the art biomechanics equipment sports scientist Dr Jonas Rubenson and colleagues compared the running techniques of two humans and five ostriches to understand why the cumbersome looking creature is so much more adept.
The ostrich runs at 43mph while Usain Bolt, the quickest human of all time, can cover the 100 metre dash in just under 28mph. The cheetah is the quickest of them all, reaching speeds of up to 70mph.
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Ostriches, which are the fastest bird on the land, use tendons to store and return twice as much elastic energy per step than humans.
This reduces the work required by their muscles providing a huge advantage in the spring of their step
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