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Old 02-09-26 | 01:13 PM
  #153  
bblair
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Joined: Aug 2007
Posts: 1,379
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From: Columbus, Ohio

Bikes: Lynskey R230, Trek 5200, 1975 Raleigh Pro, 1973 Falcon ,Trek T50 Tandem and a 1968 Paramount in progress.

Hey, physiology class was a very long time ago! Like 50 years.

I am looking at my "Effective Fat Burn" chart from my test last month. Total calories from carbohydrates increases steadily from the start to maximum HR and effort. Fat calories peaks around HR of 139 and by max of 163 is zero..
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