четверг, 9 февраля 2017 г.

Strengthen your core, sculpt your abs with this 20-minute stability workout. Exercising on the ball has shown to activate 38% more muscles than when done on a s


Strengthen your core, sculpt your abs with this 20-minute stability workout. Exercising on the ball has shown to activate 38% more muscles than when done on a s

Original article and pictures take https://fitwirr.com site

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