送交者: AI 于 2006-6-15, 08:03:09:

回答: Study: Amateur marathon runners risk heart trouble 由 HunHunSheng 于 2006-6-15, 07:35:46:

• I now run 20 miles a week and am training for a Half-Marathon race - HunHunSheng (225 bytes) 2006-6-15, 08:09:20
  • A basic rule is one should not increase maximum distance by more than 10% - HunHunSheng (57 bytes) 2006-6-15, 09:24:48
  • training for Marathon, trying to build muscles - AI (115 bytes) 2006-6-15, 08:27:13
    • One reason is that I won't be able to achieve anything else - HunHunSheng (82 bytes) 2006-6-15, 09:27:47
      • Old dog always can learn new tricks - AI (0 bytes) 2006-6-15, 09:33:50

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