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Frog's amazing leaps due to springy tendons

March 22, 2012

H. Astley. Credit: Mike Cohea/Brown UniversityH. Astley. Credit: Mike Cohea/Brown University

The secret to frogs’ superlative jumping lies in their tendons. Researchers at Brown University, filming frogs jumping at 500 frames per second with special X-ray technology, show that the frog's tendon stretches as it readies its leap and then recoils, much like a spring, when the frog jumps. The finding could explain how other animals are exceptional leapers. Results appear in Biology Letters. (See more at Brown News and Events, November 15, 2011)