5. STATIC HOLDS – THE PLANK
Position your body on your forearms and your toes, line up your arms with your shoulders. Your legs are straight and locked at the knees. Your entire body is in a straight position, including your mid area.
While staying in this position, make sure to squeeze all your working muscles. Check out this articles for different variations to test and build your core strength:
- abs-exercises: Photos courtesy of CrossFit Inc