{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T18:26:00Z","timestamp":1787250360291,"version":"build-2736575974"},"reference-count":30,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T00:00:00Z","timestamp":1772064000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T00:00:00Z","timestamp":1772064000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Health Science Reports"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and Aims<\/jats:title>\n                    <jats:p>Falls pose a significant public health risk for community\u2010dwelling stroke survivors. Current research on biomechanical parameters to trip perturbation in standing tasks often fails to predict fall risk or balance recovery during dynamic tasks such as walking. Moreover, phase\u2010specific biomechanical adaptations during recovery from perturbations remain underexplored. One\u2010dimensional statistical parametric mapping (SPM1D) was used in the current research for analyzing time\u2010series biomechanical data and to investigate joint angular profiles during reactive stepping following trip\u2010like gait perturbations. The aim was to compare these biomechanical characteristics between stroke survivors and healthy controls.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Fourteen participants with stroke and ten healthy controls were assessed using a 16\u2010camera motion capture system. Participants walked at self\u2010selected usual walking speeds on a split\u2010belt treadmill and underwent a simulated trip perturbation, triggered by backward treadmill acceleration during initial foot contact. Biomechanical variables at the reactive step touchdown were derived using the Vicon plug\u2010in\u2010gait full\u2010body model. Biomechanical characteristics (joint angles and moments) showing significant between\u2010group differences at reactive step touchdown were initially identified, and SPM1D was then utilized to analyze joint angles and moments across three equal phases of the reactive step cycle (initial, middle, and end). Independent\u2010samples\n                      <jats:italic>t<\/jats:italic>\n                      \u2010tests complemented SPM1D were used to identify between\u2010group differences, with significance set at\n                      <jats:italic>p<\/jats:italic>\n                      \u2009\u2264\u20090.05.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Compared to controls, stroke participants showed increased trunk flexion, knee flexion, and ankle dorsiflexion angles on the perturbed side, along with decreased ankle dorsiflexion moment and altered upper limb movement strategies. SPM1D revealed phase\u2010specific differences that increased shoulder abduction during the initial phase on the reactive step side, increased shoulder external rotation in the middle phase on the perturbed side, and greater trunk flexion and ankle dorsiflexion angle but reduced ankle dorsiflexion moment on the perturbed side during the end phase.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Participants with stroke exhibit distinct, phase\u2010dependent biomechanical adaptations during reactive stepping post\u2010trip perturbation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/hsr2.71727","type":"journal-article","created":{"date-parts":[[2026,3,8]],"date-time":"2026-03-08T20:05:17Z","timestamp":1773000317000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Biomechanical Characteristics of Compensatory Reactive Step Responding to the Simulated Trip Perturbation While Walking in Community\u2010Dwelling People With Stroke: A Cross\u2010Sectional Study"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-3228-1149","authenticated-orcid":false,"given":"Suk\u2010Ping","family":"Chan","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Sciences The Hong Kong Polytechnic University The Hong Kong Special Administrative Region China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1834-5715","authenticated-orcid":false,"given":"Patrick Wai\u2010Hang","family":"Kwong","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences The Hong Kong Polytechnic University The Hong Kong Special Administrative Region China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7615-8590","authenticated-orcid":false,"given":"Gladys Lai\u2010Ying","family":"Cheing","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences The Hong Kong Polytechnic University The Hong Kong Special Administrative Region China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2232-9814","authenticated-orcid":false,"given":"Sharon Man\u2010Ha","family":"Tsang","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Sciences The Hong Kong Polytechnic University The Hong Kong Special Administrative Region China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,2,26]]},"reference":[{"key":"e_1_2_12_2_1","unstructured":"World Health Organization. \u201cFalls [Fact sheet].\u201d2021. accessed 20 November 2025 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