tailieunhanh - báo cáo khoa học: "n Access Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed"

n Access Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed | Journal of NeuroEngineering and Rehabilitation BioMed Central Research Open Access Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed Jennifer S Brach 1 Jaime E Berlin1 Jessie M VanSwearingen1 Anne B Newman2 and Stephanie A Studenski3 Address University of Pittsburgh Department of Physical Therapy 6035 Forbes Tower Pittsburgh PA 15260 USA 2University of Pittsburgh Department of Epidemiology 6035 Forbes Tower Pittsburgh PA 15260 USA and 3University of Pittsburgh Division of Geriatric Medicine 6035 Forbes Tower Pittsburgh PA 15260 USA Email Jennifer S Brach - jbrach@ Jaime E Berlin - jberlin@ Jessie M VanSwearingen - jessievs@ Anne B Newman - newmanA@ Stephanie AStudenski - StudenskiS@ Corresponding author Published 26 July 2005 Received 18 March 2005 Journal of NeuroEngineering and Rehabilitation 2005 2 21 doi 1743- Accepted 26 July 2005 0003-2-21 This article is available from http content 2 1 21 2005 Brach 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 Background Decreased gait speed and increased stride time stride length double support time and stance time variability have consistently been associated with falling whereas step width variability has not been strongly related to falls. The purpose was to examine the linear and nonlinear associations between gait variability and fall history in older persons and to examine the influence of gait speed. Methods Gait characteristics and fall history were obtained in 503 older adults mean age 79 61 female participating in the Cardiovascular Health Study who could ambulate independently. Gait .

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