What is the benefit of teaching someone a posterior capsule stretch? what clinical condition will it help? ADVERTISEMENT 401 viewsApril 22, 2012 0 Chris0 April 22, 2012 0 Comments 1 Answer ActiveVotedNewestOldest 0 Joanne0 Posted 0 Comments If the posterior shoulder girdle is indeed tight, it will help prevent or improve range of motion in the individual with diagnosed shoulder impingement. You are viewing 1 out of 1 answers, click here to view all answers. Register or Login