It's time to HIIT it with this super Tabata workout. You may be asking,why is this workout so super? Well, we're excited to tell you that we doubled the work period and rest period, or making the intervals 40 seconds followed by 20 seconds of rest. It's a fun challenge that will accomplish your muscles some profitable while building stamina and burning stout. Ready? Press play and get at it!
Source: popsugar.com