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Pit Stop

Record your races with a typeracer account:

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Racer marvin (marvinguerrero)
Race Number 8
Date Mon, 29 Jun 2015 09:38:55 +0000
Speed 40 WPM Try to beat?
Accuracy 95.8%
Rank 4th place (out of 5)

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)