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This cross\u2010sectional observational study recruited 146 athletes; 90 control athletes and 56 athletes with a history of concussion. Athletes were tested during a pre\u2010season evaluation using the inertial\u2010sensor instrumented Y Balance Test. Independent variables were normalized reach distance, gyroscope magnitude sample entropy, and jerk magnitude root mean square. Kruskal\u2010Wallis H test and Dunn\u2010Bonferroni analysis demonstrated that individuals with a concussion history within the last 2\u00a0years have statistically significantly lower jerk magnitude root mean square in the posteromedial (<jats:italic>Z<\/jats:italic>\u00a0=\u00a023.22,<jats:italic>P<\/jats:italic>\u00a0=\u00a0.015) and posterolateral (<jats:italic>Z<\/jats:italic>\u00a0=\u00a024.64,<jats:italic>P<\/jats:italic>\u00a0=\u00a0.010) reach directions, when compared to the control group. There was no significant difference between those who sustained a concussion longer than two years ago and the control group for the posteromedial (<jats:italic>Z<\/jats:italic>\u00a0=\u00a0\u22121.25;<jats:italic>P<\/jats:italic>\u00a0=\u00a0.889) and posterolateral (<jats:italic>Z<\/jats:italic>\u00a0=\u00a06.44;<jats:italic>P<\/jats:italic>\u00a0=\u00a0.469) directions. These findings show that athletes with a concussion history within the last two years possess dynamic balance deficits, when compared to healthy control athletes. Conversely, athletes whose injury occurred greater than 2\u00a0years ago possessed comparable performance to the healthy controls. This suggests that sensorimotor control deficits may persist beyond clinical recovery, for up to 2\u00a0years. Therefore, clinicians should integrate balance training interventions into the return\u2010to\u2010play process to accelerate sensorimotor recovery and mitigate the risk of future injury.<\/jats:p>","DOI":"10.1111\/sms.13691","type":"journal-article","created":{"date-parts":[[2020,4,20]],"date-time":"2020-04-20T17:54:41Z","timestamp":1587405281000},"page":"1497-1505","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Athletes with a concussion history in the last two years have impairments in dynamic balance performance"],"prefix":"10.1111","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0525-6577","authenticated-orcid":false,"given":"William","family":"Johnston","sequence":"first","affiliation":[{"name":"Insight Centre for Data Analytics University College Dublin Belfield Ireland"},{"name":"School of Public Health, Physiotherapy and Sports Science University College Dublin Belfield Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bryan","family":"Heiderscheit","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Rehabilitation University of Wisconsin Madison WI USA"},{"name":"Badger Athletic Performance University of Wisconsin Madison WI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jennifer","family":"Sanfilippo","sequence":"additional","affiliation":[{"name":"Badger Athletic Performance University of Wisconsin Madison WI USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. 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