Hot answers tagged exercise-ball
Sorry if this answer is way too late to help you at all but extra exercise in this form is certainly not going to hurt your goals. Having an exercise ball is definitely going to complement your physique with loads of exercises to do such as planks/crunches etc. I would recommend still hitting abs though as its going to get important as you progress more with ...
You can do trunk extensions flat on the floor. Or if you prefer you can use pretty much anything to lift you up a little eg a folded blanket or cushions. http://www.brianmac.co.uk/exercise.htm
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