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Pit Stop

Record your races with a typeracer account:

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Racer sweets (lynnpineda)
Race Number 6457
Date Sat, 1 Jun 2013 14:53:38 +0000
Speed 61 WPM Try to beat?
Accuracy 95.8%
Rank 2nd place (out of 3)
Opponents lock (3rd 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)