Core Strengthening Exercises - Sophisticated Crunches

Name: Core Strengthening Exercises - Sophisticated Crunches
Uploaded: 2008-11-05T13:11:01+00:00
Duration: 179 s
Channel: realworldstrength
Description: http://JohnSifferman.com to watch the entire core strengthening series, visit the site above.

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http://JohnSifferman.com to watch the entire core strengthening series, visit the site above.