![The Discovery Files show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/014/590/small/the-discovery-files.jpg)
Summary: Longer toes and a unique ankle structure provide some sprinters with the burst of acceleration that separates them from other runners, according to biomechanists at Penn State University.
Summary: Longer toes and a unique ankle structure provide some sprinters with the burst of acceleration that separates them from other runners, according to biomechanists at Penn State University.