{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T00:08:08Z","timestamp":1774397288551,"version":"3.50.1"},"reference-count":14,"publisher":"World Scientific Pub Co Pte Lt","issue":"02","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Hand Surg Asian-Pac Vol"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:p> Background: We report a variant of paediatric trigger thumb which is locked in extension rather than flexion. <\/jats:p><jats:p> Methods: Eleven children with 14 trigger thumbs (three bilateral) locked in extension were reviewed retrospectively over a 12-year period. The number of flexed trigger thumbs encountered over this period was established from the operating room database. <\/jats:p><jats:p> Results: All children were treated with release of the A1 pulley. Nine children achieved a full range of motion at the interphalangeal joint. One child with bilateral extended trigger thumbs required bilateral dorsal capsulotomy and another child developed temporary mild triggering in flexion. <\/jats:p><jats:p> Conclusions: Approximately 1% of trigger thumbs treated operatively at this institution presented as the extended variant. Trigger thumb locked in extension should be considered in a child presenting with inability to flex the thumb. <\/jats:p>","DOI":"10.1142\/s2424835516500247","type":"journal-article","created":{"date-parts":[[2016,5,3]],"date-time":"2016-05-03T03:23:21Z","timestamp":1462245801000},"page":"234-238","source":"Crossref","is-referenced-by-count":9,"title":["The \u201cTrigger\u201d Thumb Locked in Extension \u2013 An Unusual Presentation of a Common Paediatric Condition"],"prefix":"10.1142","volume":"21","author":[{"given":"Bruce R.","family":"Johnstone","sequence":"first","affiliation":[{"name":"Department of Plastic Surgery and Maxillofacial Surgery, Royal Children's Hospital, Melbourne, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. 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