title: A. V. Hill sticks his neck out.
authors.affiliation: University of Colorado BoulderBrown University rodger.kram@colorado.edu.
authors.forename: Rodger
authors.initials: R
authors.lastname: Kram
authors.affiliation: University of Colorado BoulderBrown University thomas_roberts@brown.edu.
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Roberts
mesh_terms: D000818:Animals; D049628:Body Size; D008124:Locomotion; D018482:Muscle, Skeletal / Q000502:physiology*