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  • Title: Balance control during gait in athletes and non-athletes following concussion.
    Author: Parker TM, Osternig LR, van Donkelaar P, Chou LS.
    Journal: Med Eng Phys; 2008 Oct; 30(8):959-67. PubMed ID: 18243036.
    Abstract:
    Current literature provides only limited information regarding performance on dynamic motor tasks following concussion. However, recent investigations have suggested that participation in contact sports may have a negative effect on cognitive function without the existence of a medically diagnosed concussion. The purpose of this study was to examine balance control during gait in concussed and uninjured athletes and non-athletes. Twenty-eight Grade 2 concussed individuals (14 athletes and 14 non-athletes) and 28 uninjured matched controls (14 athletes and 14 non-athletes) were assessed for their gait performance within 48 h, 5, 14, and 28 days post-injury under conditions of divided and undivided attention. Athletes, whether concussed or not, walked slower and swayed more and faster than non-athletes. Athletes consistently demonstrated gait imbalance even in the absence of concussion. The findings of this study support the supposition that participation in high-impact sports has a measurable and possibly detrimental effect on balance control in the absence of a medically diagnosed concussion.
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