{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T15:10:05Z","timestamp":1790176205417,"version":"4.1.0"},"reference-count":33,"publisher":"International Journal of Sports Physical Therapy","issue":"1","license":[{"start":{"date-parts":[[2024,1,2]],"date-time":"2024-01-02T00:00:00Z","timestamp":1704153600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec id=\"background\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>A concussion is a traumatic brain injury that can result in vestibular and oculomotor dysfunctions. The Head Shake-Sensory Organization Test was developed from the original Sensory Organization Test to measure a subject\u2019s ability to maintain balance while moving their head.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"purpose\">\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The purpose of this study was to compare the performance of adults with no history of concussion to those with a history of concussion on the Head Shake-Sensory Organization Test to determine if long-standing balance deficits are present after concussion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"study-design\">\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Cross-sectional study<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"methods\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Subjects with a history of concussion and healthy normal controls completed the Dizziness Handicap Inventory, the Activities-Specific Balance Confidence Scale, the sensory organization test, the head shake SOT, and the Foam Head Shake-Sensory Organization test in a single testing session. Scores were analyzed for differences between the two groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Twenty-five participants (nine patients with history of concussion and 16 healthy controls; mean age, 21.08\u00b14.10 years) completed testing. The equilibrium scores in both groups significantly decreased with more complex tasks. Furthermore, the concussion group had significantly worse equilibrium scores than the control group during the Head Shake (p = 0.007) and Foam Head Shake-Sensory Organization Test (p = 0.002) tasks but not during the Sensory Organization Test task.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"conclusion\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Adding head shake and foam cushion conditions to postural stability tests improves sensitivity in detecting balance deficits in individuals with a concussion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"level-of-evidence\">\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>3<\/jats:p>\n                  <\/jats:sec>","DOI":"10.26603\/001c.90705","type":"journal-article","created":{"date-parts":[[2023,12,31]],"date-time":"2023-12-31T23:22:25Z","timestamp":1704064945000},"source":"Crossref","is-referenced-by-count":4,"title":["Impact of Concussions on Postural Stability Performance Using the Head Shake-Sensory Organization Test"],"prefix":"10.26603","volume":"19","author":[{"given":"John D","family":"Heick","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/0272j5188","id-type":"ROR","asserted-by":"publisher"}],"name":"Northern Arizona University","department":["Physical Therapy and Athletic Training"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdulaziz","family":"Alkathiry","sequence":"additional","affiliation":[{"name":"Maimaah University","department":["Physical Therapy and Health Rehabilitation"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"11140","published-online":{"date-parts":[[2024,1,2]]},"reference":[{"issue":"2","key":"ref1","doi-asserted-by":"publisher","first-page":"3","DOI":"10.25035\/jsmahs.03.02.03","article-title":"The head shake sensory organization test (HS-SOT): normative data and correlation with dynamic visual acuity testing","volume":"3","author":"Andrea E. 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