OBJECTIVE To investigate the ability of statistical techniques to detect systematic changes in rowing technique during a rowing session and to discriminate between rowers of different abilities with and without back pain. DESIGN Statistical techniques were applied to kinematic datasets of elite level rowers, in order to construct an empirical model of the rowing stroke. BACKGROUND The size ...

in this paper we address the vrpcd, in which a set of homogeneous vehicles are used to transport products from the suppliers to customers via a cross-dock. the products can be consolidated at the cross-dock but cannot be stored for very long as the cross-dock does not have long-term inventory-holding capabilities. the objective of the vrpcd is to minimize the total traveled distance while respe...

PURPOSE Very little is known about the relationship between physical activity and low back pain (LBP) in general populations. This study aimed to evaluate the relationship between different dimensions of physical activity and LBP among all adults of a defined community. METHODS A cross-sectional survey addressed all adults aged 22-70 of a single town. Inhabitants were asked to complete a self...

low back pain (lbp) is a widespread musculoskeletal disorder worldwide. it causes disability that influence work performance in individuals. the aim of this study was to evaluate the prevalence and risk factors of lbp in the middle-aged office workers in the lebanese population. in this observational, cross-sectional study performed in 2013, overall, 250 office workers aged between 20 and 64 ye...

STUDY DESIGN A questionnaire survey. OBJECTIVE The aim of this study was to explore patient attitudes toward screening to assess suitability for low back surgery by nonphysician health care providers. SUMMARY OF BACKGROUND DATA Canadian spine surgeons have shown support for nonphysician screening to assess and triage patients with low back pain and low back related leg pain. However, patien...

STUDY OBJECTIVE The aim was to assess the geographical variation in low back pain and associated disability in Britain. DESIGN This was a cross sectional survey with information collected by postal questionnaire. SETTING General practices in seven British towns and one rural district. SUBJECTS 1172 men and 1495 women aged 20-59 years were selected from the age-sex registers of 136 general...

MD, PhD. Assistant professor, Universidade Federal da Bahia (UFBA), Bahia, Salvador, Brazil. MD, PhD. Associate professor, anesthetist and coordinator of the Pain Clinic, Department of Anesthesia, Universidade Federal de São Paulo (Unifesp), São Paulo, Brazil. PhD. Assistant professor and pharmacologist, Department of Anesthesia, Universidade Federal de São Paulo (Unifesp), São Paulo, Brazil. P...

BACKGROUND AND PURPOSE Low back pain (LBP) is one of the most common musculoskeletal disorders in both developed and developing countries. Whilst there have been a number of studies investigating the current physiotherapy management of LBP in the former, little is known about such management in developing countries. The objectives of the present study were to investigate the physiotherapy manag...

STUDY OBJECTIVE To compare the prevalence of low back pain and associated disability in Hong Kong with that in Britain, and to explore whether differences could be explained by certain known risk factors. DESIGN A cross sectional survey with information collected at interview. Findings were compared with those from an earlier survey in Britain. SETTING Two housing blocks in Hong Kong. SUB...

Materials and methods We performed a cross-sectional study of all RCTs included in all Cochrane SRs (full-text) published on The Cochrane Database of Systematic Reviews in February 2013. Two authors independently evaluated the type and frequency of each outcome measure reported in the fulltext of RCTs, the methods used to measure outcomes, and the proportion of outcomes fully replicable based o...