• Emily Pratt, Henning Vauth, Gary McIlvain, and Mark K Timmons.
• College of Health Professions, Marshall University, Gullickson Hall 109, 1 John Marshall Drive, Huntington, WV 25755, USA. Tel 304-696-2925. timmonsm@marshall.edu.
• Med Probl Perform Art. 2020 Sep 1; 35 (3): 138-144.

AimsMusicians spend numerous hours perfecting their skills and art, often leading to overuse injuries of the hand; of specific concern to musicians is carpal tunnel syndrome (CTS). This study evaluated the median nerve cross-sectional area and hand function of musicians and made comparisons to non-musicians.MethodsSeventy-six participants took part in the study, 38 music students and professors in the musician group and 38 participants in the control group. Participants completed patient-reported questionnaires to assess the level of pain and hand function. Ultrasound images were collected at the carpal tunnel inlet and outlet. The median nerve cross-sectional area and the depth of the carpal tunnel were measured on ultrasound images using software imbedded in the ultrasound unit.ResultsMusicians showed higher levels of hand dysfunction and CTS symptoms than the non-musicians. The median nerve cross-sectional area was greater in musicians than in the non-musician group on both the right (mean difference 1.5 mm2, p=0.002) and left sides (mean difference 0.9 mm2, p=0.036). The depth of the carpal tunnel at the carpal tunnel inlet and outlet did not differ between the groups (p>0.05).ConclusionThe current research identified between-group differences in median nerve cross-sectional area and the level of hand dysfunction. Understanding the interaction between the anatomy of the wrist and wrist and hand dysfunction will benefit clinicians when evaluating and treating musicians.

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