Check out this FITNESS SPECIAL video and learn to do perfect CRUNCH only on Mind Body Soul.
If you're looking for a way to strengthen your abdominal muscles, try crunches. Crunches are exercises you need to do if you want great abs and core. It works the rectums abdominal muscle. Since crunches exercise is more controlled, it can help you improve your focus on your exercise routine. And as it does not use any equipment, you can do it anywhere. This exercise can also improve your muscle strength and flexibility. Try it out!