What is the expected workload capacity for a driver undergoing an exercise tolerance test?

The expected workload capacity for a driver undergoing an exercise tolerance test is generally greater than 6 METs, as this level indicates a reasonable functional capacity for individuals who are engaged in driving and similar activities. METs, or Metabolic Equivalent of Task, are a unit that estimates the amount of oxygen used by the body during physical activity.

For commercial drivers, a capacity greater than 6 METs suggests that they can perform light to moderate physical activities such as walking briskly or climbing stairs without undue fatigue. This standard is crucial as it not only reflects the physical demands of driving but also ensures that the driver can handle potential emergencies and the physical exertion involved in everyday driving tasks.

In the context of commercial driving, maintaining a physical capability above 6 METs supports both safety and performance, as these drivers may often need to react swiftly and manage the physical aspects of vehicle control. Hence, expecting a workload capacity greater than 6 METs aligns well with the physical demands placed on drivers in the transportation industry, ensuring they are fit for duty.