OBJECTIVES To re-examine the relation between heavy physical work and the occurrence of sciatic pain among construction workers reported previously to be absent in an epidemiological study. METHODS-Poisson log linear regression was used to model for the frequency of sciatic pain among concrete reinforcement workers and maintenance house painters with adjustment for the interactive effects of ea...

objectives: low back pain is one of the main health problems which affect many people worldwide. the daily course of life is highly disrupted due to the chronic back pain problem. this study aims to explore the occupational performance of individuals with chronic low back pain. methods: fifteen people with chronic low back pain were included in this study using purposeful sampling. the particip...

there is lack of consensus among endodontic specialists about the necessity of tug back. in this regard, we designed a study in which 44 single rooted teeth with closed apex were selected and filed up to file #50. the teeth were obturated with lateral condensation method while in half of them there was not any tug back and in the other half tug back was achieved. apical leakage was assessed by ...

INTRODUCTION The return-to-work (RTW) process after long-term sickness absence is often complex and long and implies multiple shifts between different labour market states for the absentee. Standard methods for examining RTW research typically rely on the analysis of one outcome measure at a time, which will not capture the many possible states and transitions the absentee can go through. The p...

background: chronic non-specific low back pain is a common disorder that often has no clear mechanism. exercise therapy is an effective and safe method for treatment of chronic musculoskeletal disorders such as back pain. pilate’s and williams’ exercises are two types of distinct exercises used for the treatment of back pain, but there is no evidence for the advantage of these two exercises in ...