Skip to main content

To Save Energy in Extreme Situations, Go Faster

Study of rock climber's energy output brings surprising result

Rock climbing is an extreme sport that requires precision, strength, and skill. Elaine Kozmav wanted to know just how much energy rock climbers spend while climbing and whether changes in body proportions or speed made any difference. Her findings might surprise you!

To read the full paper, Kozma EE, Pontzer H., Determinants of climbing energetic costs in humans. J Exp Biol. 2021 visit

To learn more about the Pontzer lab, visit: