m**k 发帖数: 18660 | 1 http://joehenderson.com/archive/home.php?article=2202
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EXERCISE ISN'T ENOUGH. Kenneth Cooper's formula -- two to three miles, three
to five days a week at a relaxed aerobic pace -- is enough running for an
exerciser. "If you run more than 15 miles a week," says the Aerobics author,
"you're running for reasons other than fitness." There's more to running
than fitness. Running only to train your heart, lungs and limbs is as
incomplete as eating only to exercise your jaws. Training to race, and |
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