{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T00:04:30Z","timestamp":1777853070905,"version":"3.51.4"},"reference-count":37,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T00:00:00Z","timestamp":1764115200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T00:00:00Z","timestamp":1764115200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100018590","name":"ja kyosai research institute","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100018590","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001691","name":"japan society for the promotion of science","doi-asserted-by":"publisher","award":["JP21H03485"],"award-info":[{"award-number":["JP21H03485"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Japanese Society for Surgery of the Hand"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Hand Surg Eur Vol"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Trapeziometacarpal joint stability during pinch depends on the balance between the opponens pollicis and the first dorsal interosseous muscles, which control pronation and supination of the first metacarpal, respectively. Disruption of this muscular balance may contribute to joint instability in patients with trapeziometacarpal osteoarthritis, although the mechanisms underlying movement pattern changes in these patients remain unclear. This study aimed to quantitatively compare thumb rotation patterns during tip pinch between patients with trapeziometacarpal osteoarthtits and healthy individuals.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>The thumb rotation angle during tip pinch was measured in 36 hands of 27 patients with trapeziometacarpal osteoarthritis and 19 hands of 11 healthy controls using a three-axis gyroscope equipped with a three-axis accelerometer fixed to the dorsum of the thumb metacarpal. The pronation\/supination angle was recorded as the rotation around the long axis of the gyroscope.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      The trapeziometacarpal osteoarthritis group demonstrated a lower median change in pronation angle during pinch (2.6\u00b0) compared with the control group (3.7\u00b0) (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.014). The frequency of the thumb supination during pinch was higher in the trapeziometacarpal osteoarthritis group (25%) than in the control group (8.8 %) (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = 0.013). Pronation angles were moderately and negatively associated with the Eaton\u2013Littler and Kellgren\u2013Lawrence classifications for osteoarthritis.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Altered thumb rotation patterns during pinch may contribute to joint misalignment and the development of osteoarthritis. The findings may influence targeted rehabilitation interventions to improve dynamic stabilization of trapeziometacarpal joint.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>III<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/17531934251383073","type":"journal-article","created":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T06:34:47Z","timestamp":1764225287000},"page":"328-334","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Thumb rotation patterns during pinch in patients with trapeziometacarpal osteoarthritis"],"prefix":"10.1177","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4927-2149","authenticated-orcid":false,"given":"Kazuya","family":"Tsukamoto","sequence":"first","affiliation":[{"name":"Department of Orthopaedic and Spinal Surgery, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3733-0188","authenticated-orcid":false,"given":"Koji","family":"Fujita","sequence":"additional","affiliation":[{"name":"Health Tech Design Office, Center for Medical Innovation, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9942-1811","authenticated-orcid":false,"given":"Tomoyuki","family":"Kuroiwa","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Spinal Surgery, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3915-9006","authenticated-orcid":false,"given":"Mio","family":"Norose","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Spinal Surgery, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshitaka","family":"Yoshii","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Spinal Surgery, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3054-0273","authenticated-orcid":false,"given":"Akimoto","family":"Nimura","sequence":"additional","affiliation":[{"name":"Department of Functional Joint Anatomy, Biomedical Engineering Laboratory, Institute of Industry Incubation, Institute of Science Tokyo, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,11,26]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/1558944717691132"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1053\/jhsu.1999.0786"},{"key":"e_1_3_3_4_1","article-title":"R\u00f4le du couple opposant-1er interosseux dorsal dans la stabilit\u00e9 de l\u2019articulation trap\u00e9zo-m\u00e9tacarpienne: incidences kin\u00e9sith\u00e9rapiques","volume":"27","author":"Boutan M.","year":"2000","unstructured":"Boutan M. 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