title: On the energy cost of achieving mobility.
mesh_terms: D001696:Biomechanical Phenomena; D004734:Energy Metabolism; D006339:Heart Rate; D006801:Humans; D008124:Locomotion; D009068:Movement; D009119:Muscle Contraction; D010101:Oxygen Consumption; D005082:Physical Exertion; D014910:Wheelchairs