05-10-2008, 12:26 PM
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#2 (permalink)
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Administrator
Join Date: Dec 2004 Location: San Clemente, CA Styles: Tae Kwon Do, Tang Soo Do, Hwa Rang Do
Posts: 8,076
Home Country:  | I'm no running expert but some of the advanced athletes keep monitoring their heart rate during running and try to maintain it at certain level. |
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