The better way; alternate speed walking, running...

来源: 走马读人 于 2011-05-19 14:01:26 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (264 bytes)

http://exercise.about.com/cs/cardioworkouts/l/blinterval.htm

 simply alternate speed walking, running or hills for 1-2 minutes with 2 minutes of slow walking to recover.

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