I am not good at running at all, but

my experience last year is:  after doing HIIT training for several months, I could run much better.

所有跟帖： 

• 要增强体质？ -我也说句实话- ♀ (253 bytes) () 05/30/2017 postreply 11:52:16

• Yes, basically, 要增强体质 -HenryLi- ♂ (0 bytes) () 05/30/2017 postreply 12:03:50

• 谢谢李医生，你就是我的榜样啊，哈哈，我努力 -我也说句实话- ♀ (0 bytes) () 05/30/2017 postreply 12:30:42