Good posture is starting at strong core muscles. Learn how to strengthen back extension coreexercises with expert fitness tips in this free video core. Expert: Michelle Bio Santoro Michelle Santoro is a chiropractor and posture expert, focusing on core strengthening exercise to improve the health and attitude. Filmmakers: Nili Nathan ... Chiropractic covers bodily injury preventions preventing injuries chiropractors stretching stre
http://www.youtube.com/watch?v=RFs8KVYtuNY&hl=en
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