Kinematics of the trapeziometacarpal joint after sectioning of ligaments

Abstract

This study was designed to examine the roles of ligaments in the maintenance of the articular kinematics of the trapeziometacarpal joint. Circumduction of the trapeziometacarpal joint was studied in 12 hands from fresh human cadavera. With use of a magnetic tracking system, changes in the motion of the base of the first metacarpal after ligament sectioning were analyzed and compared with those of the normal joint. Two sets of ligaments were sectioned: (a) the anterior oblique and ulnar collateral ligaments and (b) the first intermetacarpal ligament and the ulnar joint capsule. Sectioning of the anterior oblique and ulnar collateral ligaments resulted in a significant dorsal-ulnar shift in the path of the base of the first metacarpal. However, sectioning of the first intermetacarpal ligament did not affect the movement pattern of the center of the base. The anterior oblique and ulnar collateral ligaments provided constraint of the trapeziometacarpal joint during circumduction of the thumb.

Comparative in vivo kinematic analysis of normal and osteoarthritic trapeziometacarpal joints

“…Although dorsoradial translation has been noted in arthritic joints 6 it has not been evaluated quantitatively. In the present study we conclude that dorsal translation of the COR in flexionextension but not radial translation in abductionadduction is the kinematic characteristic of an arthritic TM joint.…”

“…5, 6 Imaeda et al 5 analyzed the cadaveric models and showed that the center of rotation (COR) of the normal TM joint was located within the base of the thumb metacarpal in abduction-adduction and within the trapezium in flexion-extension. There have been few studies, however, on the in vivo kinematics of the TM joint.…”

Accuracy of an electromagnetic tracking device for measuring hip joint kinematics during gait: effects of metallic total hip replacement prosthesis, source-sensor distance and sensor orientation

“…Gait analysis is a commonly used outcome measure in studies of total hip replacement (THR) surgery [1][2][3][4] . Hip ranges of motion (ROM) and movement patterns are useful indicators of the quality of human gait.…”

In Vivo Length and Changes of Ligaments Stabilizing the Thumb Carpometacarpal Joint

“…There have been a number of reports on the anatomy and functions of the ligaments of the thumb CMC joint. [1][2][3][4][5][6][7] Typically, however, cadaveric hands were used in these investigations. We found no investigations in which the in vivo lengths of the ligaments of the human CMC joint were measured.…”