It's Saturday morning! Don't just lump on your sofa today! Use your sofa to help you feel your best! Sofa Stretching is easy and you will feel good! Turn CC Closed Captions ON for English subtitles! アラフォーにもなると腰痛が酷くなる。。病院や薬要らずので簡単ソファーストレッチを日本語で説明致します．
http://youtu.be/Bf3Ck5tdyWo