{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T11:09:13Z","timestamp":1791284953881,"version":"4.1.0"},"reference-count":60,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2020,12,14]],"date-time":"2020-12-14T00:00:00Z","timestamp":1607904000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Neurotrauma"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p>The aim of this study was to assess gait initiation (GI) performance longitudinally across clinical concussion recovery milestones through return to participation (RTP). We recruited 54 collegiate student-athletes, 27 with concussions and 27 matched controls (15 female and 12 male per group). Participants performed five trials of GI at baseline and again at five post-concussion clinical milestones: 1) Acute, the day clinical tests achieved baseline values on the 2) Balance Error Scoring System (BESS), 3) Immediate Post-Concussion Assessment and Cognitive Test ImPACT, 4) Asymptomatic, and 5) RTP Day. GI performance on six outcome measures (anterior\/posterior and medial\/lateral center of pressure displacements and velocities during the anticipatory postural adjustment [APA] phase and initial step length and velocity) with repeated-measures mixed model and pair-wise post hoc. A reliable change index (RCI) was calculated, and post-concussion participant's performance was compared to the RCI at milestones. There were significant interactions for APA posterior and lateral displacement, APA posterior velocity, step length, and step velocity. The post-hoc tests identified significant deficits across clinical milestones and at RTP for APA posterior and lateral displacement, step length, and step velocity. There were no post-hoc differences for any outcome measure in the control group. At RTP, 85.2\u201388.9% of concussion participants had at least one outcome measure which exceeded the 80% or 95% RCI. The primary finding of this study was persistent impairments in dynamic postural control, suggesting ongoing neurophysiological impairment despite clinical recovery. These results suggest that collegiate student-athletes may be RTP before neurophysiological recovery and potentially exposing themselves to elevated risk of recurrent concussion or subsequent musculoskeletal injury.<\/jats:p>","DOI":"10.1089\/neu.2019.6910","type":"journal-article","created":{"date-parts":[[2020,7,17]],"date-time":"2020-07-17T01:19:37Z","timestamp":1594948777000},"page":"86-93","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Impairments in Dynamic Postural Control across Concussion Clinical Milestones"],"prefix":"10.1177","volume":"38","author":[{"given":"Thomas","family":"Buckley","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Applied Physiology, Interdisciplinary program in Biomechanics and Movement Science University of Delaware, Newark, Delaware, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicholas G.","family":"Murray","sequence":"additional","affiliation":[{"name":"School of Community Health Sciences, University of Nevada, Reno, Nevada, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barry A.","family":"Munkasy","sequence":"additional","affiliation":[{"name":"School of Health and Kinesiology, Georgia Southern University, Statesboro, Georgia, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessie R.","family":"Oldham","sequence":"additional","affiliation":[{"name":"Micheli Center for Sports Injury Prevention, Boston Children's Hospital, Waltham, Massachusetts, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelsey M.","family":"Evans","sequence":"additional","affiliation":[{"name":"Department of Surgery, Orlando Health, Orlando, Florida, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brandy","family":"Clouse","sequence":"additional","affiliation":[{"name":"Department of Intercollegiate Athletics, Georgia Southern University, Statesboro, Georgia, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2020,12,14]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjsports-2017-097699"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.3171\/2016.1.FOCUS15610"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jshs.2016.01.007"},{"key":"e_1_3_3_5_2","first-page":"277","article-title":"Comparison of psychological response between concussion and musculoskeletal injury in collegiate athletes","volume":"6","author":"Turner S.","year":"2017","unstructured":"Turner S., , Langdon J., , Shaver G., , Graham V., , Naugle K., , and Buckley T. 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