Insanity Max: 30 - Tabata Power
100.00%|December 2, 2014|
Your muscles will beg for mercy as your strength training starts with Tabata-style "20 seconds on, 10 seconds off" power moves.
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Shaun T
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Your muscles will beg for mercy as your strength training starts with Tabata-style "20 seconds on, 10 seconds off" power moves.