I was recently asked by Cindy, CA

How do I know when my core is strong enough?

Ask The Fitness Dude’s answer:

In order to find out how strong you are in the core, or if you are strong enough, there is a wonderful test called the trunk-stability push up. This move will allow you to access if you need to be stronger in your core.Here is how you do a trunk-stability  push up.  Lie face down on the floor like you are about to do a push up, but instead of placing your hands beneath your shoulders  move them forward until your thumbs are in line with the top of your forehead. Now try to push yourself up. If your back can stay perfectly straight, your core is solid, you can continue to do you normal core routines and be happy. If you had to contort your torso to get your body up, try again but keep your thumbs in line with your chin. If you can do a perfect push up in this position, your core is average, if you can’t  do a perfect push up then that means you need to add more core focused routines in your workout sessions.  By adding a front bridge to your weekly workouts, you can definitely improve the strength of your core. Assume a push up position but with your forearms resting on the floor. Your elbows should be under your shoulders and bent 90 degrees. Brace your abs and hold for 45 seconds, and repeat.

I hope that answered your question.