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báo cáo hóa học: " Reliability of voluntary step execution behavior under single and dual task conditions"

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: Reliability of voluntary step execution behavior under single and dual task conditions | Journal of NeuroEngineering and Rehabilitation Methodology BioMed Central Open Access Reliability of voluntary step execution behavior under single and dual task conditions Itshak Melzer1 2 3 Irena Shtilman3 Noah Rosenblatt1 and Lars IE Oddsson 1 4 Address 1NeuroMuscular Research Center Boston University Boston USA 2Sargent College of Health Rehabilitation Sciences Boston University Boston USA 3Dept Phys Therapy Faculty of Health Sciences Ben-Gurion University of the Negev Beer-Sheva Israel and 4Sister Kenny Rehabilitation Institute Sister Kenny Research Center 12101 800 E. 28th St. Minneapolis MN 55407 USA Email Itshak Melzer - itzikm@bgumail.bgu.ac.il Irena Shtilman - irenash2@walla.co.il Noah Rosenblatt - nrosenbl@bu.edu Lars IE Oddsson - Lars.Oddsson@Allina.com Corresponding author Published 29 May 2007 Received 22 September 2006 Journal of NeuroEngineering and Rehabilitation 2007 4 16 doi 10.1186 1743-0003-4-16 Accepted 29 May 2007 This article is available from http www.jneuroengrehab.com content 4 1 16 2007 Melzer et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.Org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The current study investigated the repeatability test-retest reliability of ground reaction force parameters recorded during a voluntary step execution under single motor task and dual task motor and cognitive task conditions for healthy adults and elderly individuals as well as the number of trials required to produce repeatable results. Methods Twenty-four healthy adults 21-63 years old and 16 elderly adults 66-87 years performed a voluntary rapid step execution following a tap on their heel while standing on a force platform under single and dual task conditions on three separate occasions. The first two tests were performed 30-60