The inclusive cross section of hadron pairs produced back-to-back with large transverse momenta is examined in the parton model. It is shown quantitatively that this cross section is determined directly by the hard scattering subprocesses, without being influenced by the internal momentum of the constituents, even for transverse momenta of the order of 2-3 GeV/c. The predictions of the phenomen...

conclusions the persian mfs is valid and reliable for use in persian-speaking young athletes with lbp. results a sample of 100 young athletes with lbp with a mean age of 16.5 ± 2.5 years participated. fifty young athletes without lbp completed the pmfs. there was no missing responses and floor or ceiling effects. there was a significant difference for the total pmfs scores between young athlete...

Computer-related musculoskeletal disorders continue to increase in both developed and developing nations, as a result of increase of number of computer users. The objective of this study was to determine the pattern and factors associated with musculoskeletal disorders among computer users. The descriptive cross-sectional study was carried out using a structured questionnaire among 305 computer...

introduction: work pressure and excessive workload can jeopardize and impair the people’s health. one of these impairments is musculoskeletal disorders. among these disorders, low back pain is the most common and most costly problem. the purpose of this study was to investigate the relationship between workload and prevalence of low back pain in assembly line workers of a car manufacturing fact...

background: various studies have reported the prevalence of low back pain in specific populations very differently. the aim of the present study was to determine the prevalence of low back pain and related factors among the referees to health centers in dehloran, iran.   materials and methods: in this cross sectional study, two hundred and seventy three referees to health centers in dehloran wh...

Background and Aim: Chronic back pain is one of the most important reasons of individuals’ referring to clinic, so that no determined  recognition is posed in considerable number of such individuals. Spondylolysis and spondylolisthesis are two important pathologies that people might be afflicted with for years but they might be unaware of it. Therefore, such diseases may account for ...

. cross-cultural understanding dates back to the discovery of the third world, its peoples, and its religions. along this, the place of studying other peoples came in view. demography and orientalism were two disciplines which first aimed at studying other peoples regardless of their beliefs. after some thirty years, emphasis was laid on their beliefs, too. today after disproof of the anticipat...