{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T06:49:04Z","timestamp":1777877344824,"version":"3.51.4"},"reference-count":35,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T00:00:00Z","timestamp":1734480000000},"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":["Sports Health: A Multidisciplinary Approach"],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Factors associated with performance outside of a normative range on dynamic exertion test (EXiT) after sport-related concussion (SRC) remain unknown. This study examined the role of demographic and medical history factors on performance using minimal detectable change (MDC) cutoff scores in athletes being cleared to return to sport (RTS) from SRC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Hypothesis:<\/jats:title>\n                    <jats:p>Older age, being female, and body mass index (BMI) \u226550th percentile would be associated with worse EXiT performance and with increased likelihood of falling outside the normative MDC score range.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Cross-sectional.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level 3.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Demographic factors, physiological metrics, performance metrics, symptoms, and ratings of perceived exertion were collected from 55 participants (age, 16.5 \u00b1 2.3 years, 31.5% female) initially evaluated within 14 days of SRC who completed EXiT at medical clearance for RTS. Chi-square analyses, logistic and ordinal regressions, and 1-way analyses of variance examined factors associated with EXiT performance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Most participants fell within the MDC score range on aerobic (71.2-100%), dynamic (75.8-100%), and change-of-direction (36.5-98.0%) tasks, and symptoms (96.2-100%). Older age was associated with better performance on Box Drill Shuffle (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01) and lower heart rate (HR) outcomes after Ball Toss (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.04), Box Drill Shuffle (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01), Box Drill Carioca (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.04), and Pro Agility (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01). Greater BMI was associated with higher HR\n                      <jats:sub>%max<\/jats:sub>\n                      after Ball Toss (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01) and worse posttreadmill aerobic performance (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.01). Motion sickness history was associated with longer Zig Zag completion time (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.036).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Most athletes presenting for clearance from concussion performed within MDC score ranges on EXiT metrics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>EXiT is accurate and effective in assessing response to dynamic exertion after SRC, and MDC scores can inform RTS decisions. Clinicians should consider age, BMI, and history of motion sickness when assessing EXiT performance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/19417381241298284","type":"journal-article","created":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T07:08:26Z","timestamp":1734505706000},"page":"678-688","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Minimal Detectable Change Scores and Factors Associated With Dynamic Exertion Test (EXiT) Performance After Sport-Related Concussion"],"prefix":"10.1177","volume":"17","author":[{"given":"Dean","family":"Gomes","sequence":"first","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron","family":"Sinnott","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, Matthew Gfeller Sport-Related Traumatic Brain Injury Research Center, University of North Carolina at Chapel Hill, North Carolina, North Carolina"},{"name":"Neuromuscular Research Laboratory-Warrior Human Performance Research Center, Department of Sports Medicine and Nutrition, University of Pittsburgh, Pittsburgh, Pennsylvania, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0663-7320","authenticated-orcid":false,"given":"Aaron J.","family":"Zynda","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victoria L.","family":"Kochick","sequence":"additional","affiliation":[{"name":"Department of Physical Therapy, Slippery Rock University, Slippery Rock, Pennsylvania and University of Pittsburgh Medical Center Rehabilitation Institute, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sarah","family":"Ostop","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Rehabilitation Institute, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alicia M.","family":"Trbovich","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abigail","family":"Feder","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael W.","family":"Collins","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anthony P.","family":"Kontos","sequence":"additional","affiliation":[{"name":"University of Pittsburgh Medical Center Sports Medicine Concussion Program, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,12,18]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.3389\/fphys.2016.00391"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s40279-015-0354-3"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546518757984"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/JSM.0000000000000734"},{"key":"e_1_3_2_6_2","volume-title":"Borg\u2019s Perceived Exertion and Pain Scales","author":"Borg G.","year":"1998","unstructured":"Borg G. 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