{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T04:39:31Z","timestamp":1773290371418,"version":"3.50.1"},"reference-count":68,"publisher":"Human Kinetics","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,8,1]]},"abstract":"<jats:p>The purpose of this study was to identify the rate of abnormal single-task and dual-task gait performance following concussion compared to uninjured controls using previously established normative reference values. The authors examined athletes with a concussion (n\u2009=\u200954; mean age\u2009=\u200920.3 [1.1]\u00a0y, 46% female, tested 2.9 [1.5]\u00a0d postinjury), and healthy controls were tested during their preseason baseline examination (n\u2009=\u200960; mean age\u2009=\u200918.9 [0.7]\u00a0y, 37% female). Participants completed an instrumented single-\/dual-task gait evaluation. Outcome variables included average walking speed, cadence, and step length. A significantly greater number of those with concussion walked with abnormal dual-task gait speed compared with the control group (56% vs 30%,<jats:italic>P<\/jats:italic>\u2009=\u2009.01). After adjusting for potential confounding variables (age, concussion history, symptom severity, and sleep), concussion was associated with lower dual-task gait speed (<jats:italic>\u03b2<\/jats:italic>\u2009=\u2009\u22120.150; 95% confidence interval [CI]\u2009=\u2009\u22120.252 to \u22120.047), cadence (<jats:italic>\u03b2<\/jats:italic>\u2009=\u2009\u22128.179; 95% CI\u2009=\u2009\u221214.49 to \u22121.871), and stride length (<jats:italic>\u03b2<\/jats:italic>\u2009=\u2009\u22120.109; 95% CI\u2009=\u2009\u22120.204 to \u22120.014). Although group analyses indicated that those with a concussion performed worse on single-task and dual-task gait compared with controls, a higher rate of abnormal gait was detected for the concussion group compared with the control group for dual-task gait speed only. Dual-task gait speed, therefore, may be considered as a measure to compare against normative values to detect postconcussion impairments.<\/jats:p>","DOI":"10.1123\/jab.2018-0454","type":"journal-article","created":{"date-parts":[[2019,5,29]],"date-time":"2019-05-29T17:53:06Z","timestamp":1559152386000},"page":"290-296","source":"Crossref","is-referenced-by-count":17,"title":["Identification of Postconcussion Dual-Task Gait Abnormalities Using Normative Reference Values"],"prefix":"10.1123","volume":"35","author":[{"given":"David R.","family":"Howell","sequence":"first","affiliation":[{"name":"1Children\u2019s Hospital Colorado"},{"name":"2University of Colorado School of Medicine"},{"name":"3The Micheli Center for Sports Injury Prevention"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas A.","family":"Buckley","sequence":"additional","affiliation":[{"name":"4University of Delaware"},{"name":"5University of 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