Core strength is about way more than just having a set of 6-pack abs. While they're a nice bonus, abs don't mean much to overall fitness (they just mean you have low body fat).
There are muscles behind the abs and in the lower back that require work as well. By exercising them, you are minimizing your chance of injury and ensuring that you will be able to lift heavy when needed. Keep reading for ways on how to strengthen your overall core.
To Start, Utilize Your Bodyweight
Next, Develop Your Functional Strength With A Dumbbell