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Racer Tom (mackentosh)
Race Number 2643
Date Tue, 10 Apr 2012 12:02:05 +0000
Speed 48 WPM Try to beat?
Accuracy 96.0%
Rank 2nd place (out of 5)
Opponents alihadi (4th place)

Text typed:

There are two kinds of fibers in our muscles, red and white. When an athlete trains for long distance running, he or she builds more red muscle fibers than white muscle fibers in his calf muscles. A sprinter has more white muscles. If you retrain a marathon runner to be a sprinter, most of the muscle fibers will convert to white muscles.
The Complete Idiot's Guide to Improving Your IQ (book) by Richard G (see stats)