What are some contributing factors that can cause shoulder impingement? ADVERTISEMENT 524 viewsApril 1, 2012 0 Chris0 April 1, 2012 0 Comments 4 Answers ActiveVotedNewestOldest 0 Danielle0 Posted 0 Comments Possibly also excessive scapular protraction, causing misalignment of acromionclavicular joint. You are viewing 1 out of 4 answers, click here to view all answers. Register or Login