{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T19:40:05Z","timestamp":1749670805021,"version":"3.41.0"},"reference-count":28,"publisher":"National Athletic Trainers' Association","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,5,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context<\/jats:title>\n                  <jats:p>Previously, the most common treatment for a concussion was prolonged physical and cognitive rest. Recently, researchers have suggested that earlier physical activity (PA) may be better at promoting recovery. Researchers have not evaluated the relationship between free-living PA (eg, walking) and symptom reporting or recovery duration.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>To assess the relationship between free-living PA participation and 2 recovery outcomes in college-aged adults with a concussion.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design<\/jats:title>\n                  <jats:p>Prospective cohort.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting<\/jats:title>\n                  <jats:p>National Collegiate Athletic Association Division I and III universities.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patients or Other Participants<\/jats:title>\n                  <jats:p>Thirty-two college-aged adults (68.8% female, age = 19.8 \u00b1 1.4 years) with a concussion.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure(s)<\/jats:title>\n                  <jats:p>Participants completed a postconcussion symptom evaluation at visits 1 (&amp;lt;72 hours from concussion) and 2 (8 days later). Between visits, each participant's PA was monitored using an Actigraph GT9X Link PA monitor and expressed as total PA (counts per minute) and percentage of PA time spent in moderate-to-vigorous intensity (%MVPA). Recovery time was the number of days from injury occurrence to medical clearance. With separate hierarchical multiple regressions, we evaluated the relationship between total PA and each recovery variable (visit 2 symptom severity, recovery time). Additionally, with separate exploratory hierarchical multiple regressions, we evaluated the relationship between %MVPA and each recovery variable. Statistical significance was set a priori at P \u2264 .05.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Participants averaged 2446 \u00b1 441 counts per minute and spent 12.1% \u00b1 4.2% of their PA performing MVPA. Participants yielded median (interquartile) symptom severities of 28 (24) and 2 (8) for visit 1 and 2, respectively. Average recovery time was 14.7 \u00b1 7.5 days. Total PA did not significantly contribute to the model for visit 2 symptom severity (P = .122) or recovery time (P = .301). Similarly, %MVPA had little contribution to the model for visit 2 symptom severity (P = .358) or recovery time (P = .276).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>We suggest that free-living PA may not be enough to reduce symptoms or shorten recovery. Thus, clinicians may need to provide patients with more structured PA protocols mimicking findings from previous researchers.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-0158.21","type":"journal-article","created":{"date-parts":[[2021,7,30]],"date-time":"2021-07-30T18:52:18Z","timestamp":1627671138000},"page":"452-457","source":"Crossref","is-referenced-by-count":1,"title":["Relationship Between Physical Activity Participation and Recovery Outcomes in College-Aged Adults With a Concussion"],"prefix":"10.4085","volume":"57","author":[{"given":"Kyle M.","family":"Petit","sequence":"first","affiliation":[{"name":"*Department of Athletic Training and Kinesiology, University of Mary, Bismarck, ND"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christopher M.","family":"Kuenze","sequence":"additional","affiliation":[{"name":"\u2020Department of Kinesiology, Michigan State University, East Lansing"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karin A.","family":"Pfeiffer","sequence":"additional","affiliation":[{"name":"\u2020Department of Kinesiology, Michigan State University, East Lansing"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nathan","family":"Fitton","sequence":"additional","affiliation":[{"name":"\u2021Sports Medicine, Michigan State University, East Lansing"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mathew","family":"Saffarian","sequence":"additional","affiliation":[{"name":"\u00a7Department of Physical Medicine and Rehabilitation, Michigan State University, East Lansing"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tracey","family":"Covassin","sequence":"additional","affiliation":[{"name":"\u2020Department of Kinesiology, Michigan State University, East Lansing"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2557","published-online":{"date-parts":[[2022,7,30]]},"reference":[{"key":"2022061318250988700_i1938-162X-57-5-452-b01","doi-asserted-by":"crossref","unstructured":"Zuckerman\n              SL,\n            \n            \n              Kerr\n              ZY,\n            \n            \n              Yengo-Kahn\n              A,\n            \n            \n              Wasserman\n              E,\n            \n            \n              Covassin\n              T,\n            \n            \n              Solomon\n              GS.\n            \n          \n          Epidemiology of sports-related concussion in NCAA athletes from 2009\u20132010 to 2013\u20132014: incidence, recurrence, and mechanisms.\n\t\t\t\t\tAm J Sports 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