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

來源: 於 2011-05-19 14:01:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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.