Doggie-paddling animals are really running underwater

01/5/2014 | Discovery

Dogs that swim using the doggie paddle are actually running underwater, according to a new study that evaluated the gait of eight dogs swimming in a rehabilitation pool at the University of Pennsylvania. The underwater jog features more exaggerated moves with a wider range of motion than a terrestrial run, but otherwise, the feet and legs follow the same pattern, researchers found. The information may provide a clue as to how land-dwelling mammals made the evolutionary change to seafaring creatures.

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