g********s
发帖数: 1969 | 1 I remember to see this short section on Runner's World long ago. Anybody
wants to see how you can improve your performance after losing a few pounds,
here from the expert.
Feb 2010
For every pound you lose, you'll run about 2 seconds faster per mile. So
losing five could cut two minutes off your time. But if you are already slim
, dropping more pounds could lead to muscle loss. Even if you have weight to
lose, slashing calories will affect your energy and increase your injure
risk. To safely sli |
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