“RE: More Efficient Weight Loss ?”

On 9/1/04, Daniel Berlinger said:

>Define you Heart Rate Max by multiplying your age by 0.7 and subtract
>that number from 208 (University of Colorado in Boulder, supposedly
>more accurate than the old 220- your age formula, although for me the
>numbers come out the same at 40 years old.)
>
>74% of your MHR is "fatmax" with the approximate zone being from 68 to
>79%  MHR.
>
>At that level fat provides  about 50% of the calories you need to keep
>going for the first hour or so. Around 70%  of the total energy after
>two hours, and 80% or more if your work duration exceeds three hours.
>If you increase the intensity then the Fat contribution decreases to 0
>at 84%MHR.

Do you ride with a heart monitor, Daniel?

That's the one thing I've felt like I'm lacking this year. Steve has one, and it seems quite useful to him. I've never even priced them, though.

Seth