title: The two-hour marathon: running economy and lower body flexibility.
authors.forename: Rachel C
authors.initials: RC
authors.lastname: Drew
authors.forename: Lawrence I
authors.initials: LI
authors.lastname: Sinoway
authors.forename: Michael J
authors.initials: MJ
authors.lastname: White
mesh_terms: D000222:Adaptation, Physiological / Q000502:physiology*; D006801:Humans; D007866:Leg / Q000502:physiology*; D009119:Muscle Contraction / Q000502:physiology*; D018482:Muscle, Skeletal / Q000502:physiology*; D010101:Oxygen Consumption / Q000502:physiology*; D005082:Physical Exertion / Q000502:physiology*; D010809:Physical Fitness / Q000502:physiology; D012420:Running / Q000502:physiology*; D013647:Task Performance and Analysis