While most people understand the importance of incorporating an abdominal workout into their weightlifting… More
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Summary: Good posture is dependent on strong core muscles. Learn how to do ab crunch core exercises with expert fitness tips in this free core strengthening video.
Michelle Santoro is a Chiropractor and postural expert who focuses on core strengthening exercise to improve health and posture.read more
eHow Article: Abdominal Crunch Core Exercise