title: Counterpoint: Artificial legs do not make artificially fast running speeds possible.
authors.affiliation: Integrative Physiology Department, Locomotion Laboratory, University of Colorado, Boulder, Colorado, USA.
authors.forename: Rodger
authors.initials: R
authors.lastname: Kram
authors.forename: Alena M
authors.initials: AM
authors.lastname: Grabowski
authors.forename: Craig P
authors.initials: CP
authors.lastname: McGowan
authors.forename: Mary Beth
authors.initials: MB
authors.lastname: Brown
authors.forename: Hugh M
authors.initials: HM
authors.lastname: Herr
mesh_terms: D000674:Amputees; D001186:Artificial Limbs; D001696:Biomechanical Phenomena / Q000502:physiology; D005684:Gait / Q000502:physiology*; D006801:Humans; D007866:Leg / Q000502:physiology*; D008297:Male; D010101:Oxygen Consumption; D012107:Research Design; D012420:Running / Q000502:physiology*; D013672:Technology; D013997:Time Factors