Differences Between Fit and Unfit Men The fit man usually shows the following physiological advantages over the unfit man of the same height and weight when both are performing the same piece of moderate work which both can sustain in a steady state: Lower oxygen consumption, slower pulse rate during work, larger stroke volume of the heart, lower blood lactate during work and faster return of blood pressure and heart rate to normal after work. If both a fit and an unfit man arc performing the same piece of exhausting work which neither can sustain in a steady state, the fit man usually shows longer duration of effort before exhaustion, higher oxygen consumption, slower maximal heart rate, larger stroke volume, higher blood lactate and faster return of blood pressure and heart rate to normal after work. The fit man carries on a given grade of moderate work with less displacement of his physiological equilibria. He can establish steady states at higher grades of work. If forced he can displace his physiological equilibria further and for a longer time. Finally, he has better recuperative powers in the sense that after a bout of exhausting exercise he returns to his normal resting state more quickly. Differences between the fit and the unfit are less regular the lower the metabolic rate. Measurements made in the resting state and during moderate work which all subjects however unfit can carry out in a steady state do not show significant differences between fit and unfit groups. Measurements on the resting subject, especially those which employ the resting heart rate and blood pressure, have been criticized for this reason.		Home Components of Physical Fitness Clinical Examination Differences Between Fit and Unfit Men Physiological Elements of Fitness The Step Test The Effects of Training on the Physiological Systems Work Output Physical Condition of Muscle Application of Muscular Force Maintaining Optimum Strength Tests of Muscular Strength Strength and appearance Strength as a measure of physical fitness Strength as affected by organic problems Strength as prophylaxis Role of inactivity in production of disease Lack of Sociability in Work Lactic Acid System Muscular Form Capillary Growth Heart Size Heart Rate Training produces physicochemical changes Muscular Strength Nervous Stimulation and Muscular Strength Quality of Champions Factors Which Limit Skill Kinesthesis Balance Reaction Time Muscular Tension Visual Aim Skill Center in the Brain Distribution of Energy