title: Preferred tempo, work intensity, and mechanical efficiency.
mesh_terms: D000328:Adult; D004526:Efficiency / Q000502:physiology*; D004734:Energy Metabolism; D006339:Heart Rate; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D013997:Time Factors