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Uploaded on Jun 2, 2011
http://www.smartstretch.com Active Isolated Stretching (AIS) Sequence for all Three Hamstrings and Attachments. This sequence is a safe and effective way to open the hamstrings while building strength of the quadriceps, psoas, and abdominals. For more information and latest in stretching technology, please visit us at http://www.smartstretch.com