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Old 05-28-2009, 10:22 AM   #1
Mark Cheney
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Join Date: Dec 2007
Location: Las Vegas  NV
Posts: 285
Crossover Symmetry and Shoulder Impingement

In light of the recent shoulder impingement videos, I was curious if anyone had used the Crossover Symmetry product. (WFS) Is this type of training worthwhile? It seems to smack of isolated muscle movements.

Here's an article from the seller on shoulder impingement. (also WFS)
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