{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T11:21:06Z","timestamp":1792668066291,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2015,10,24]],"date-time":"2015-10-24T00:00:00Z","timestamp":1445644800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2015,10,24]],"date-time":"2015-10-24T00:00:00Z","timestamp":1445644800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2015,10,24]],"date-time":"2015-10-24T00:00:00Z","timestamp":1445644800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","clinicalkey.es","arthroscopyjournal.org","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2016,3]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To quantitatively measure the 3\u2010dimensional (3D) glenohumeral translations during dynamic shoulder abduction in the scapular plane, using a biplane fluoroscopy system, in patients with supraspinatus rotator cuff tears.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A custom biplane fluoroscopy system was used to measure the 3D position and orientation of the scapula and humerus of 14 patients with full\u2010thickness supraspinatus or supraspinatus and infraspinatus rotator cuff tears and 10 controls as they performed shoulder abduction over their full range of motion. The 3D geometries of the scapula and humerus were extracted from a computed tomography scan of each shoulder. For each frame, the 3D bone position and orientation were estimated using a contour\u2010based matching algorithm, and the 3D position of the humeral head center was determined relative to the glenoid. For each subject the superior\u2010inferior and anterior\u2010posterior translation curves were determined from 20\u00b0 through 150\u00b0 of arm elevation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The humeral head in shoulders with rotator cuff tears was positioned significantly inferior compared with controls for higher elevation angles of 80\u00b0 to 140\u00b0 (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .05). For both groups the humeral head translated inferiorly during shoulder abduction from 80\u00b0 (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .044; rotator cuff tear\n                      <jats:italic>v<\/jats:italic>\n                      controls:\u00a0\u22120.2 \u00b1 1.3\n                      <jats:italic>v<\/jats:italic>\n                      1.2 \u00b1 1.4 mm) up to 140\u00b0 (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .047; rotator cuff tear\n                      <jats:italic>v<\/jats:italic>\n                      controls:\u00a0\u22121.3 \u00b1 2.2\n                      <jats:italic>v<\/jats:italic>\n                      0.44 \u00b1 1.4 mm). There was no significant translation in the anterior\u2010 posterior direction.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Patients with well\u2010compensated single or 2\u2010tendon rotator cuff tears show no dynamic superior humeral head migration but unexpectedly show an inferior shift during active elevation. It is unclear whether the size of the translational differences found in this study, while statistically significant, are also of clinical significance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III, comparative study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2015.08.031","type":"journal-article","created":{"date-parts":[[2015,10,26]],"date-time":"2015-10-26T17:30:26Z","timestamp":1445880626000},"page":"446-451","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":41,"title":["Alterations in Glenohumeral Kinematics in Patients With Rotator Cuff Tears Measured With Biplane\u00a0Fluoroscopy"],"prefix":"10.1002","volume":"32","author":[{"given":"Peter J.","family":"Millett","sequence":"first","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."},{"name":"Steadman Clinic Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. Erik","family":"Giphart","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katharine J.","family":"Wilson","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kine","family":"Kagnes","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua A.","family":"Greenspoon","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado 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