Athletes know the value of a strong core—more stability, power and a decreased likelihood of injury. Muscle sculpting fanatics, on the other hand, are obsessed with achieving as many grooves, nooks and cuts as possible. Regardless of whether you're solely going for function or aesthetics, this circuit training routine, compliments of Naudi Aguilar, owner and trainer of Functional Patterns, will shred every muscle fiber in the midsection simply by using cables. As always, diet and nutrition are equally critical to the abdominal equation, but give this style of training a shot. You'll feel it tomorrow.

!-- Start of Brightcove Player --
!-- By use of this code snippet, I agree to the Brightcove Publisher T and C found at https://accounts.brightcove.com/en/terms-and-conditions/. -- !-- This script tag will cause the Brightcove Players defined above it to be created as soon as the line is read by the browser. If you wish to have the player instantiated only after the rest of the HTML is processed and the page load is complete, remove the line. --!-- End of Brightcove Player --