5 Ab Exercises: No Crunches, No Equipment!

We know that performing crunches, which involves flexion of the spine, is one way to fire the rectus abdominis, but when designing abdominal sequences it is important to consider all segments of the abdominals and how they move or stabilize the spine. Here are five exercises that target all of the abdominal muscles by flexing, rotating, stabilizing and laterally flexing the spine.  

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