These exercises will challenge your ability to hold good posture and pelvic alignment against both body weight and the instability of the Fitball. The positions of the holds are similar to the static floor exercises, except that they are performed on the ball. Research shows that performing core exercises on an unstable surface, such as a Fitball will increase the levels of trunk muscle activation.

Click here to see the main article for detailed description and explanation of exercises seen in this video.