Polar F11 ownindex help

pingwax

New member
Hello all,
I've been looking around and I'm not finding too much information on this issue.

I bought a Polar F11 heart rate monitor, which has an "ownindex" feature to set target heart rate zones while working out. It uses a test that seems to use 5 minutes of resting heart rate to set the value, but who knows exactly.

My problem is that since January, my score has been getting consistently worse. I'm in pretty bad shape, but I've gotten significantly better since January.

Is there a trick to this test that I'm missing?
 
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