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Develop Core Rotational Strength with the Stability Ball Oblique Crunch

Published on November 12, 2009 By John

The stability ball is a pretty versatile piece of equipment.  If you’ve been watching my videos, you’ll see that I use it for quite a few exercises.  The body moves in three planes of motion.  First is the sagittal plane, which involves forward and backward movement.  For example, walking on a treadmill is a sagittal […]