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Strengthening the stomach sphincter is something that you can do with a tense and release exercise. Find out how to strengthen the stomach sphincter with help from an experienced fitness professional in this free video clip.

Expert: Ashley Mitchell
Filmmaker: Mathias Magnason

Series Description: If you want to become stronger and faster, you're going to have to start using techniques that will actually help you accomplish those goals. Get tips on working out and getting stronger with help from an experienced fitness professional in this free video series.

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