Homo naledi wasn't a background runner.

A decade after the discovery of Homo naledi fossils in the Rising Star cave system in South Africa, the researchers obtained new information on how this former hominid was moving. Using skeletal elements of juveniles and adults, an international team from Africa, Europe and North America analyzed the fossils and reconstructed the entire lower limb of Homo naledi. And revealed their evolutionary importance through a 3D reconstruction. Legs forged…