THICKNESS and STIFFNESS ADAPTATIONS of the TRANSVERSE CARPAL LIGAMENT ASSOCIATED with CARPAL TUNNEL SYNDROME

Tamara L. Marquardt, Joseph N. Gabra, Peter J. Evans, William H. Seitz, Zong Ming Li

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The purpose of this study was to investigate the morphological and mechanical properties of the transverse carpal ligament (TCL) in patients with carpal tunnel syndrome (CTS). Thickness and stiffness of the TCL in eight female CTS patients and eight female control subjects were examined using ultrasound imaging modalities. CTS patients had a 30.9% thicker TCL than control subjects. There was no overall difference in TCL stiffness between the two groups, but the radial TCL region was significantly stiffer than the ulnar region within the CTS group and such a regional difference was not found for the controls. The increased thickness and localized stiffness of the TCL for CTS patients may contribute to CTS symptoms due to reduction in carpal tunnel space and compliance. Advancements in ultrasound technology provide a means of understanding CTS mechanisms and quantifying the morphological and mechanical properties of the TCL in vivo.

Original languageEnglish (US)
Article number1650019
JournalJournal of Musculoskeletal Research
Volume19
Issue number4
DOIs
StatePublished - Dec 1 2016
Externally publishedYes

Keywords

  • Acoustic radiation force impulse
  • Carpal tunnel syndrome
  • Transverse carpal ligament
  • Ultrasound imaging

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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