Strengthen your core just by sitting
Pana "Core Training Chair
November 1, 2016, Tokyo, Japan - Japanese electronics giant Panasonic unveils the new exercise machine for body's inner-muscles "Core Training Chair" in Tokyo on Tuesday, November 1, 2016. The chair shaped exercise machine is developed to increase and strohthen inner-muscles, targetting for middle aged persons. (Photo by Yoshio Tsunoda/AFLO) LWX -ytd-