A 39-year-old female asked:
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is it common for right trapezius muscle to be bigger on right? i don't exercise. my upper back on right has been hurting for one year. ct chest clear

1 doctor answer
Dr. Joseph Accurso
28 years experience Radiology
Are you right handed: That may be the most simple answer. If you are right handed, you perform more movements, carry more things, and generally work out your right arm and shoulder more than your left, which could easily account for some muscle asymmetry, right side larger than left. Ct of the chest probably included most of the trapezius muscles, and could be reviewed to look for any problems (unlikely).
Answered on Jun 17, 2013

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