Rational exercise testing; the case for simple indices of sub-maximal exercise: ventilation, tidal volume and cardiac frequency.
D001824:Body Constitution; D006339:Heart Rate; D006801:Humans; D009132:Muscles / Q000032:analysis; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration; D012129:Respiratory Function Tests; D014692:Ventilation-Perfusion Ratio