The Army, Marines, Air force and Navy all have physical fitness standards because they understand the absolute minimum fitness level required the do the job. When you take the PT (physical training) test generally you wear the appropriate PT uniform. When on mission the uniform the service member wears is often different and as such can have a negative effect on overall performance. There are many factors that indicate fitness from flexibility, strength, endurance, agility and so on, some more specific measures are Ventilatory Threshold, Lactic Threshold and VO2 max.
VO2 max is a metric used by athletes to determine the efficiency with which an individual utilizes oxygen. VO2 max is one measure that indicates an athletes ability to undergo sustain (more…)