What causes tight trapezius muscles? ADVERTISEMENT 1.72K viewsApril 25, 2013 0 M April 25, 2013 0 Comments 7 Answers ActiveVotedNewestOldest 0 NatalieSmith5 Posted 0 Comments Hello M K, So, to put it in a nutshell, poor form/posture and not enough proper exercise. People need to remember to try to use proper form and posture throughout the entire day; it really does help. Take care, Natalie. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login