THICKNESS AND STIFFNESS ADAPTATIONS OF THE TRANSVERSE CARPAL LIGAMENT ASSOCIATED WITH CARPAL TUNNEL SYNDROME

Author:

Marquardt Tamara L.1,Gabra Joseph N.1,Evans Peter J.1,Seitz William H.1,Li Zong-Ming1ORCID

Affiliation:

1. Hand Research Laboratory, Departments of Biomedical Engineering, Orthopaedic Surgery and Physical Medicine and Rehabilitation, Cleveland Clinic, Cleveland, OH, USA

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.

Funder

National Institute of Arthritis and Musculoskeletal and Skin Diseases

Publisher

World Scientific Pub Co Pte Lt

Subject

Orthopedics and Sports Medicine

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