Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Is obesity a risk factor for low back pain? An example of using the evidence to answer a clinical question. | Chiropractic Osteopathy BioMed Central Research Open Access Is obesity a risk factor for low back pain An example of using the evidence to answer a clinical question Timothy A Mirtz and Leon Greene Address University of Kansas Department of Health Sport and Exercise Science. Lawrence Kansas USA Email Timothy A Mirtz - numitor@ Leon Greene - jlg@ Corresponding author Published II April 2005 Received 07 April 2005 Chiropractic Osteopathy 2005 13 2 doi 1746-1340-13-2 Accepted 1 1 April 2005 This article is available from http content 13 1 2 2005 Mirtz and Greene 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 Obesity as a causal factor for low back pain has been controversial with no definitive answer to this date. The objective of this study was to determine whether obesity is associated with low back pain. In addition this paper aims to provide a step-by-step guide for chiropractors and osteopaths on how to ask and answer a clinical question using the literature. Methods A literature review using the MEDLINE search engine using the keywords obesity low back pain body mass index BMI and osteoarthritis from years 1 990 to 2004 was utilised. The method employed is similar to that utilised by evidence-based practice advocates. Results The available data at this time is controversial with no clear-cut evidence connecting low back pain with obesity. Conclusion There is a lack of a clear dose-response relationship between body mass index BMI and low back pain. Further studies on the relationship between obesity and related lumbar osteoarthritis knee pain and disc herniation are also is little doubt that future studies with controlled variables are .