Do you run with bent arms? Turns out it doesn’t make much difference

A study found that people don’t use any more energy by running with their arms held straight, even though they found it was a more awkward running style

Source:
https://www.newscientist.com/article/2209127-do-you-run-with-bent-arms-turns-out-it-doesnt-make-much-difference/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home