ArticleThe Journal of hand surgery, European volume2026
Three-dimensional motion analysis of the thumb after trapeziometacarpal joint surgery.
Article in The Journal of hand surgery, European volume, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe purpose of the study was to describe thumb kinematics and function during basic motion tasks and activities of daily living following different surgical techniques for trapeziometacarpal (TMC) joint osteoarthritis using a three-dimensional motion capture system.
methodsIncluded were 24 patients (29 thumbs) following Wilson osteotomy, Touch prosthesis arthroplasty and trapeziectomy with ligament reconstruction and tendon interposition (LRTI) at a minimum of 12 months postoperatively.
resultsDuring basic motion tasks, it was observed that patients after LRTI showed alterations in most of the assessed movements, while osteotomy and Touch patients showed a preserved range of motion. Altered mobility of the TMC joint was more evident in the combined movements of opposition or circumduction compared with standard anatomical planes. In activities of daily living, we found a similar range of motion of the trapeziometacarpal joint in all groups, but different movements in the adjacent joints, including marked hyperextension of the metacarpophalangeal joint in the LRTI group.
conclusionOur study found different preservation of the maximal ROM following different TMC joint procedures. Information about the higher preserved range of motion following osteotomy and arthroplasty may be additional factors for consideration when choosing a procedure. Three-dimensional assessment of thumb kinematics after various trapeziometacarpal joint surgeries can enhance our understanding of expected outcomes and can also aid in postoperative assessment and patient education. LEVEL OF EVIDENCE: III.
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