Core training is far more than just abs. In fact, when people focus on just "burning" their abs they end up missing the real benefits of core exercises. While these DVRT exercises might seem really different than your typical ab workout, you will find they actually train the abs and whole core in smarter ways that help your strength and fitness while sparing your low back! Find out more: https://ultimatesandbagtraining.com/the-truth-about-the-plank/ | DVRT Ultimate Sandbag Fitness