{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T05:56:40Z","timestamp":1791266200089,"version":"4.1.0"},"reference-count":36,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"vor","delay-in-days":25,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Foot and Ankle Research"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Evidence regarding the biomechanics of stair\u2010to\u2010ground transitions after acute ankle sprain (AAS) remains limited. This study examined ankle kinematics, center\u2010of\u2010mass (COM) displacement, muscle activation, and intermuscular coherence during this transition.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Thirty individuals with AAS and 30 healthy controls completed the task while motion\u2010capture, force\u2010plate, and surface electromyography data were collected. Ankle kinematics were derived from motion capture, and COM displacement was obtained using a participant\u2010scaled OpenSim model. Trial\u2010level outcomes were averaged within each\u00a0participant.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      At initial contact, the AAS group showed an ankle position that was 1.622\u00b0 more plantarflexed and 2.661\u00b0 more internally rotated than that of the control group. Transverse\u2010plane COM displacement was 0.004\u00a0m lower in the AAS group (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.011), whereas ankle range of motion did not differ between groups. Mean biceps femoris activation was lower, whereas mean medial gastrocnemius and tibialis anterior activation and peak tibialis anterior and soleus activation were higher in the AAS group (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). In the AAS group, global efficiency, clustering coefficient, and network density were higher in the 0\u201325\u00a0Hz band than in the 25\u201350\u00a0Hz band (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>AAS was associated with altered ankle posture at initial contact, a smaller transverse\u2010plane COM displacement amplitude, and differences in selected muscle\u2010activation outcomes during the stair\u2010to\u2010ground transition.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jfa2.70221","type":"journal-article","created":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T09:31:27Z","timestamp":1790415087000},"source":"Crossref","is-referenced-by-count":0,"title":["Ankle Kinematics and Neuromuscular Activity During the Stair\u2010to\u2010Ground Transition in Individuals With Acute Ankle Sprain: A Cross\u2010Sectional Study"],"prefix":"10.1002","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-0137-8589","authenticated-orcid":false,"given":"Haowen","family":"Sun","sequence":"first","affiliation":[{"name":"School of Physical Education Hanshan Normal University  Chaozhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Physical Education Hanshan Normal University  Chaozhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanhua","family":"Xie","sequence":"additional","affiliation":[{"name":"School of Physical Education Hanshan Normal University  Chaozhou 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