On Mon, 27 Feb 2006 00:19:36 +0100, "le-sheq"
wrote:

Hi all,

Is it a normal symptom that after some time of training with low heart rates
(aerobic zone, below 70% of Max HR or even less) the body, so to speak,
switches to lower heart rates? I.e. it gets harder to ride on higher heart
rates.

It requires more exertion to reach the oxygen depletion level that
causes the jump to a higher heart rate, you mean.

For roughly a month I've been training below 70% of HRmax and recently I
observed, that my heart rate during relaxed pedaling is significantly lower
than it used to be a month ago. I wonder if it's just a normal, let's say,
adaptation, and my aerobic capacity has increased

This is the usual interpretation, as I understand it.

Most riders would view this as an achievement.
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