you can mix diff swimming styles to exercise/rest certain muscles
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: 匆匆过客 于 2006-5-29, 17:54:33:
回答: 游泳如果是自由式应该算有氧运动还是无氧运动? 由 HunHunSheng 于 2006-5-29, 17:08:21:
you don't have to stand still for 1 min between laps
所有跟贴:
加跟贴
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl