A short but smart article on a very basic subject made it in to the Chicago Tribune.
Exercise pain is a good thing
Author Eric Heiden makes a clear and easy point sometimes lost on a recreational trainer - you're going to feel discomfort when you start to train. But you will adapt to that level of stress and that discomfort will go away. It's important not to let the fear of this stop you from doing enough to adapt to it.
大会情報：5/28 JBJJF 第1回北海道柔術オープントーナメント 中島体育センター
1 hour ago