View Single Post
  #4  
Old 06-18-2008, 09:06 AM
jason1
jason1 is offline
Gold Contributor 500+ Posts
Join Date: May 2008
Posts: 758
Blog Entries: 10
jason1 is on a distinguished road
Default

Yes the cardio or exercise more than your capacity will kill your muscles and it can take time to regain them back....So 20 minutes are enough for you
jason1 is offline
Reply With Quote