原帖由 lvrunner 於 2008-7-29 09:37 發表
Less than 2 minutes is considered anaerobic (no oxygen) exercise in which oxygen is not a limiting factor in performance and it requires energy from anaerobic sources. Over 2 minutes is considered ...
歡迎光臨 香港長跑網 - 長跑長友 (https://www.longrun.hk/) | Powered by Discuz! X3.2 |