3 Tips For A Strong Core
1) Exercises such as deadlifts, squats, clean and presses, etc work your core much more than standard crunches and leg raises.
2) Exercises such as hyper-extensions, deadlifts, and good mornings strengthen the hamstrings in addition to the lower lumbar region of your spine.
3) Planks and bridges incorporate your inner obliques and your transverse abdominis which will enable you to hold your core tighter. This prevents you from having that ‘hanging gut’