Transverse Ultrasound Assessment of the Displacement of the Median Nerve in the Carpal Tunnel during Wrist and Finger Motion in Healthy Volunteers

Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi
Mitsuhiko NannoShinro Takai

Abstract

The purpose of this study was to investigate the displacement of the median nerve in the carpal tunnel during finger motion at varied wrist positions using transverse ultrasound in healthy volunteers, in order to clarify the appropriate position of a wrist splint in treating carpal tunnel syndrome. Fifty wrists of 25 asymptomatic volunteers were evaluated by transverse ultrasound. The location of the median nerve in the carpal tunnel was examined at 5 wrist positions (neutral, 60° dorsiflexion, 60° palmar flexion, 40° ulnar flexion, 10° radial flexion) with all 5 fingers in full extension, all 5 fingers in full flexion, and isolated thumb in full flexion, respectively. The median nerve was located significantly (p<0.05) more dorsally at the wrist dorsal flexion position, more ulnopalmarly at the wrist palmar flexion position, more radially at the wrist radial flexion position, and more radially at the wrist ulnar flexion position than at the wrist neutral position in all 5 fingers at full extension. The median nerve moved the most significantly dorsally among all wrist positions during finger motion at the wrist dorsal flexion position (p<0.05). Conversely, the median nerve moved the most significantly ulnopalmarly at the wrist...Continue Reading

References

Mar 1, 1992·Journal of Occupational Medicine. : Official Publication of the Industrial Medical Association·M Feuerstein, T E Fitzgerald
Apr 1, 1992·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·A L Lluch
Jun 10, 1998·The Journal of Bone and Joint Surgery. British Volume·A M TetroR H Gelberman
Sep 5, 2003·The Journal of Hand Surgery : Journal of the British Society for Surgery of the Hand·E ErelB Lynn
Jul 15, 2004·The Journal of Bone and Joint Surgery. American Volume·Anke M EttemaKai-Nan An
Nov 30, 2004·Clinical Biomechanics·U Chris UgbolueZong-Ming Li
Sep 1, 2006·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Anke M EttemaKai-Nan An
Nov 16, 2006·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Chunfeng ZhaoPeter C Amadio
Apr 3, 2008·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yuichi YoshiiPeter C Amadio
Dec 3, 2009·The Journal of Bone and Joint Surgery. American Volume·Yuichi YoshiiPeter C Amadio
Mar 13, 2010·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Margriet H M van DoesburgPeter C Amadio
Jul 31, 2010·Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand·A YoshidaI Hamanaka
Sep 17, 2013·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Yuichi YoshiiPeter C Amadio

❮ Previous
Next ❯

Related Concepts

Related Feeds

Biomechanics

Biomechanics examines the generation of internal forces within the body and investigates the effects and control of forces that act on or are produced on tissues. Here are the latest discoveries.