background:: this study aimed to quantify the prevalence of low back pain (lbp), analyze its associated risk factors and explore on how lbp affects job satisfaction among 120 school teachers in malaysia. method: a cross-sectional study was conducted among randomly selected teachers from four secondary schools in putrajaya from february to march 2015. the level of lbp was assessed using a standa...

Nine hundred secondary schools students, comprising 415 boys and 485 girls, with age range 12-17 years were surveyed. They were required to complete a self-developed, three-part items questionnaire which collected information on socio-demographic characteristics, history and intensity of low back pain, factors predisposing to low back pain, and activity limitations suffered because of low back ...

input frequency is one of the important variables in design and performance analysis of single-sided linear induction motors (slims). changing the frequency changes both the dimension of the slim in design process and the performance of the designed motor. the frequency influences the induced eddy currents in the secondary sheet as well as saturation level of the secondary back-iron. in this pa...

Input frequency is one of the important variables in design and performance analysis of single-sided linear induction motors (SLIMs). Changing the frequency changes both the dimension of the SLIM in design process and the performance of the designed motor. The frequency influences the induced eddy currents in the secondary sheet as well as saturation level of the secondary back-iron. In this pa...

OBJECTIVE To consider the reasons and context for test ordering by doctors when faced with an undiagnosed complaint in primary or secondary care. STUDY DESIGN AND SETTING We reviewed any study of any design that discussed factors that may affect a doctor's decision to order a test. Articles were located through searches of electronic databases, authors' files on diagnostic methodology, and re...

BACKGROUND There is a high incidence of low back pain (LBP) among nurses. However, few longitudinal studies have investigated musculoskeletal disorders (MSDs) at other anatomical sites in nurses. AIMS To describe the cumulative incidence and persistence/recurrence of MSDs of the low back, neck, shoulder, elbow, wrist/hand and knee among New Zealand nurses, to investigate the impact of MSDs on...

OBJECTIVE 10% of all individuals in Germany develop persistent symptoms due to nonspecific back pain (NSBP) causing up to 90% of direct and indirect expenses for health care systems. Evidence indicates a strong relationship between chronic nonspecific back pain and psychosocial risk factors. The Örebro Musculoskeletal Pain Screening Questionnaire (ÖMPSQ) and the German Heidelberger Kurzfragebog...

BACKGROUND Few studies have identified the risk factors associated with lost time in employees working with occupational low back pain (OLBP) despite the presence of pain. Such data could assist in the development of evidenced-based secondary prevention programs. METHODS The present investigation was a case-control study (n = 421) of demographic, health behavior, ergonomic, workplace and indi...