Three-dimensional analysis of thumb motion recovery after carpal tunnel release

Author:

Kodama Akira1ORCID,Kurumadani Hiroshi2,Tanaka Teruyasu1,Shinomiya Rikuo1,Sunagawa Toru2,Adachi Nobuo1

Affiliation:

1. Department of Orthopedic Surgery, Hiroshima University, Minami-ku, Hiroshima, Japan

2. Analysis and Control of Upper Extremity Function, Hiroshima University, Minami-ku, Hiroshima, Japan

Abstract

This study quantified recovery of thumb motion in patients with carpal tunnel syndrome after carpal tunnel release using three-dimensional motion analysis with a retroreflective surface-based marker method. Eighteen hands from 14 patients who underwent carpal tunnel release for idiopathic carpal tunnel syndrome were included. The angular movements of the three joints of the thumb, the path length of the thumb tip and the area enclosed by the perimeter path of the thumb tip were measured during circumduction. The range of joint movement, including abduction/adduction of the trapeziometacarpal joint, and flexion/extension of the interphalangeal and metacarpophalangeal joints and the path length of the thumb tips, improved significantly 1 year after surgery. The quantification of thumb kinematics helps to better understand motor dysfunction in carpal tunnel syndrome, assess the severity of the condition and decide on treatment. Level of evidence: IV

Publisher

SAGE Publications

Subject

Surgery

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