www.robertsontrainingsystems.com
www.ericcressey.com
look through the article sections on both sites....plenty of stuff on shoulders and hips...
also...might not hurt to check out your posture...check out both neanderthal series of articles...some good pictures, and tests to check for weaknesses/tight areas. and ways to get fixed
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And when you seek forgiveness
You will see there is no god
And for all eternity
You will cry my name