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Some people are good at long-distance race, some people are good at sprinting, and human structures

Wsns192010-01-29 09:01:49 +0000 #1

OoDARKoO2010-01-29 09:18:24 +0000 #2
about long-distance running a good cardiopulmonary function of the muscles where red muscle (slow-twitch) fibers more than aerobic capacity with strong

sprint Tendons are Changbai muscle (fast-twitch) fibers more than fast muscle contraction more powerful explosive was born

long-distance running can be acquired to meet the shortfall, but for those born with heart and lung function or muscle type counterparts, a gap.
wangbowangbow2010-01-29 09:34:28 +0000 #3
Of course, on, be good at long-distance running hearts and minds of lung function is good, body lean, less fat, while those who are good at explosive sprint strong in nerves.
263,672,8372010-01-29 09:21:54 +0000 #4
No, the key is acquired efforts

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