Influence of incline/speed on metabolic test

  • Creator
  • #30474

    When you do a metabolic test on a treadmill, you can vary either
    speed or an inclination.

    Intuitively, it seems that if your running speed is not great you will struggle more
    when speed is getting faster.

    I haven’t done this experiment myself, I am wondering how each variation effect results of metabolic test (max HR, thresholds, VO2max). Are the difference within small range or
    are they quite large?

  • Inactive
    Anonymous on #30495

    Make the test as specific to your physical experience as possible.

    I have a lot of uphill experience (first as a climber for fifteen years, then as a skimo racer for six). So my body “knows” how to go uphill.

    In contrast, I only ever run out of necessity. I don’t do it for its own sake and I don’t have a significant amount of training hours in it. (Perhaps a couple thousand hours for running compared to many thousands of hours going uphill).

    So if I run at a high heart rate, my legs are dying, and I would be sore for days. I don’t have the mechanic efficiency or strength endurance to run fast for very long without destroying my legs. In contrast, I can go uphill quite comfortably at similar heart rates without much fatigue unless it’s at a truly high intensity.

    Similarly, if I did a fitness test on cross country skis, it would be laughable. My inefficiency is so bad that I probably couldn’t go very hard at all, and I would be destroyed afterward.

    So with testing on a flat or inclined treadmill, I always go with an incline if I want something sport-specific. I only test on a flat treadmill out of curiosity, not to inform my training.

    Does that help?

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