Insanity Max: 30 - Max Out Strength
12/2/2014
Storyline
Your arms, shoulders, chest, and core will be toast after this upper-body-focused, "45 seconds on, 15 seconds off" Tabata-style routine.
Your arms, shoulders, chest, and core will be toast after this upper-body-focused, "45 seconds on, 15 seconds off" Tabata-style routine.
