tailieunhanh - báo cáo hóa học: " Different gait tasks distinguish immediate vs. long-term effects of concussion on balance control"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Different gait tasks distinguish immediate vs. long-term effects of concussion on balance control | Journal of NeuroEngineering and Rehabilitation BioMed Central Research Different gait tasks distinguish immediate vs. long-term effects of concussion on balance control Robert D Catena Paul van Donkelaar and Li-Shan Chou Open Access Address Motion Analysis Laboratory Department of Human Physiology University of Oregon Eugene Oregon 97403-1240 USA Email Robert D Catena - rcatena@ Paul van Donkelaar - paulvd@ Li-Shan Chou - chou@ Corresponding author Published 7 July 2009 Received 30 April 2008 Journal of NeuroEngineering and Rehabilitation 2009 6 25 doi 1743-0003-6-25 Accepted 7 July 2009 This article is available from http content 6 1 25 2009 Catena et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract The purpose of this study was to longitudinally compare the sensitivity of previously documented paradigms for measuring balance control during gait following a concussion. We hypothesized that gait with a concurrent cognitive task would be most sensitive to the effects of concussion on dynamic balance control. Individuals with concussion n 30 and matched controls n 30 performed a single task of level walking attention divided walking and an obstacle-crossing task at two heights. Testing occurred four times post-injury. Balance control during gait was assessed with whole-body center of mass and center of pressure motion. The single-task level walking task did not result in any significant differences in balance control between individuals with concussion and control subjects. Within 48 hours post-injury individuals with concussion walked slower and allowed less motion of their center of mass in the sagittal plane when attention was divided during walking

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