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12/16/2011

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Piero Villata

Hi Joe, excelent article. As I can measure other physical abilities with EF (muscular endurance, anaerobic endurance for example) Thanks . Piero from to Venezuela

Fabiano Araujo

Joe, what are the average and highest stable EFs that you have seen/coached?

Joe Friel

Fabiano--Realize that EF will be unique for each person given that heart rates vary so much between people. EF comparisons with others are pretty much pointless because of this, ESP when talking about averages. The highest I have seen have been around 1.6-1.7.

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