You need weight training, climbing up stairs is light cardio
所有跟帖:
• 也许太多年没怎么运动了。 -titan1987- ♂ (56 bytes) () 04/11/2012 postreply 10:31:19
• You are definitely out of shape for your age. -Crystaldowns- ♀ (0 bytes) () 04/11/2012 postreply 12:12:29