Electronic supplementary material, S1 from Heel impact forces during barefoot versus minimally shod walking among Tarahumara subsistence farmers and urban Americans Ian J. Wallace Elizabeth Koch Nicholas B. Holowka Daniel E. Lieberman 10.6084/m9.figshare.5918935.v1 https://rs.figshare.com/articles/media/Electronic_supplementary_material_S1_from_Heel_impact_forces_during_barefoot_versus_minimally_shod_walking_among_Tarahumara_subsistence_farmers_and_urban_Americans/5918935 Lateral camera view of an experimental trial with a Tarahumara participant. Video slowed to 25% normal walking speed. 2018-02-23 12:04:22 ground reaction force heel strike huaraches impact peak minimal shoes RarĂ¡muri