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Old 08-14-2012, 02:34 PM   #9
r2473
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^^ That's interesting. I would have assumed that, as tennis is played over several hours and average club participants rarely reach anerobic heart rate zones (at least this is true in my case), that the aerobic system would be a larger percentage.

But you are saying that each point is basically an interval with rest periods in between and that most points are defined as anaerobic because they last fewer than 60 seconds, thus tapping anaerobic energy supplies (and not aerobic energy supplies), and possibly because of the intensity involved (meaning points are played at the anaerobic heart rate levels).

I think the relative intensity has to have something to do with it. After all, you wouldn't think I was getting an anaerobic workout if I walked for 30 seconds, rested for 30 seconds, walked for 30 seconds, etc, just because of the duration of each interval.
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Last edited by r2473 : 08-14-2012 at 03:02 PM.
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