can someone tell me how this exercise benefits the abs? does it help build ab muscle? or just tones it out?
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Thread: dragonfly ab exercise
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01-06-2010, 04:30 PM #1
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01-06-2010, 06:05 PM #2
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01-06-2010, 06:05 PM #3
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01-06-2010, 06:17 PM #4
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01-06-2010, 06:24 PM #5
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