(2014-12-02)
2014-12-02 • •
2014-12-02 • •
Overview
Your muscles will beg for mercy as your strength training starts with Tabata-style "20 seconds on, 10 seconds off" power moves.
Overview
Your muscles will beg for mercy as your strength training starts with Tabata-style "20 seconds on, 10 seconds off" power moves.