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Relationship between aerobic HR and work/fitness

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January 12, 2023 at 2:42 am #74559

Chris Finley
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Starting the new season off with a basic question.

What is the relationship between aerobic heart rate and work output as fitness improves? My AeT heart rate seems reasonable, but I know my work output is pretty low. My hill climbing time (and running speed) is pretty bad.

Will the AeT HR stay the same, but the work output improve?
I could see the HR actually dropping if heart stroke volume and blood volume increase or the movement becomes more efficient. However, I could also see the HR increasing too if muscles require more oxygen and energy.

Does AeT HR actually tell you anything about fitness?

Much appreciation for your insights.
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Posted In: PRIVATE Mountaineering Training Group

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pedro on January 29, 2023 at 12:43 pm #75184

Hi chris,

It is difficult to answer the question because it would need more information about you to more correctly do it. In resume, as your training ramps up , your aET tends to be higher, closer to the Ant , your work capacity at a aerobic level is bigger. Having a good aerobic capacity its not enough to produce work , your local muscular endurance needs to be good.

Cheers,

Pedro

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