background: impairment in quality of life and mental health had been reported in the previous studies as the results of musculoskeletal disorders among workers. mental health has a wide concept and contains different disorders including  anxiety, depression or even decreased quality of life, all of which having challengeable impacts on work- related characters such as work productivity and abse...

introduction: due to limitations of current treatments for degenerative disc disease, arthroplastic methods to repair the diseased disc have been proposed. the artificial disc is a mobile implant for degenerative disc replacement that attempts to lessen the degeneration of the adjacent elements following interbody fusion procedures. because the success of artificial disc replacement depends on ...

objectives: altered movement strategy and postural control has been observed in low back pain (lbp) patients. objective of this study was to determine postural response following support surface translation, also correlations between postural response related measures and disability caused by lbp. methods: 20 healthy subjects and 20 patients with recurrent non specific lbp participated in this ...

BACKGROUND Chronic low back pain is considered as a high-impact condition that affects the working population of Latin America, with long reaching social and economic repercussions. Its true frequency is unknown due to the absence of well-designed clinical trials that use standardized definitions and criteria. OBJECTIVES To evaluate the prevalence of chronic non-specific low back pain among t...

mini abstract: this study is an extended follow up of the original trial study (nct00600197) that has been published in the clinical journal of pain. this trial aimed to explore if the proposed multidisciplinary program could improve quality of life and disability of the patients suffering from chronic low back up to 36 months.   methods and material: in this clinical randomized trial seventy p...

introduction: besides having major effects on the stability of lumbar vertebrae, diaphragm and abdominal muscles play an important role in respiration. the function of these muscles may gradually change in patients with chronic low back pain leading to an inefficacious respiration. the aim of this study was to evaluate respiratory volumes in a group of patients with chronic low back pain and to...