How to perform an Ab Crunch and Reverse Crunch

Learn the proper and safe way to perform crunches. If you have been struggling to make your six pack abs reveal themselves or if you are just starting out, then this video will help you tone, tighten and make those stubborn abs visible. Everyone wants a flat tummy, but sometimes it can be a challenge. From now on try these exercises and you will be hitting your upper and lower abs in the best way to get a proper six pack stomach.