نتایج جستجو برای: back compressive force
تعداد نتایج: 361244 فیلتر نتایج به سال:
background: low back pain caused by work, ranked the second after cardiovascular diseases, are among the most common reasons of patients’ referral to the physicians in iran. this study aimed to determine the changes in back compressive force when measuring maximum acceptable weight of lift in iranian male students. methods: this experimental study was conducted in 2015 on 15 young male students...
results the results showed that the highest compressive force exerted on the back was equal to 4002 n and the lowest force 1425 n. moreover, 76% of the tasks were reported to have the highest compressive force greater than the recommended limit; 72% of the tasks had an li 1 - 3 and 28% of them had an li less than 1. there was a weak direct correlation between compressive force and rwl. backgrou...
OBJECTIVES To determine the feasibility of predicting static and dynamic peak back-compressive forces based on (1) static back compressive force values at the lift origin and destination and (2) lifting speed. METHODS Ten male subjects performed symmetric mid-sagittal floor-to-shoulder, floor-to-waist, and waist-to-shoulder lifts at three different speeds (slow, medium, and fast), and with tw...
Background and Objectives: Manual load handling is one of the several factors causing work-related musculoskeletal disorders in construction industry and causes serious issues with major economic consequences. The aim of this study was to investigate the forces exerting on the back of building construction workers in the manual load handling tasks. Materials and Methods: This cross- sectional ...
Aims and background: The purpose of this study was to compare the parameters of ground reaction force during landing in patients with chronic low back pain. Material and Methods: 21 healthy men and 21 men with chronic low back pain participated in this study. Using a Kistler force plate )1000Hz) GRF during landing was measured. Then, maximum GRF and their related time-to-peak, impulse and load...
BACKGROUND Low back pain caused by work, ranked the second after cardiovascular diseases, are among the most common reasons of patients' referral to the physicians in Iran. This study aimed to determine the changes in back compressive force when measuring maximum acceptable weight of lift in Iranian male students. METHODS This experimental study was conducted in 2015 on 15 young male students...
AIM The aim of the study was to develop a computational module for the prediction of compressive force on the L4/L5 disc suitable for use in field settings. METHOD The value of compressive force is intended to be used as a proxy measure of the mechanical burden of low-back when performing work activities. The compressive force predicted by the module in a particular worker should be compared ...
Introduction: Manual handling of loads and carrying tasks widely exists in many occupations. Hospital staff because of Manual carrying of loads, are at increased risk of musculoskeletal disorders. Incorrect lifting methods, is an important risk factor for low back pain. The aim of this study was to analyze the biomechanical loads on the lumbar of nurses-aid in manual handling activities of seru...
The chronic ankle sprain is the most common injury among athletes, and using the tape is one way to prevent it. The aim of the present study was to determine the effect of the Kinsio-tape on the compressive and shear mechanical forces of the ankle joint during single-leg jump landing. 12 subjects were selected based on inclusion criteria. Subjects were asked to perform landing after jump in th...
Background and aims: In most industries, manual material handling is an inevitable part of the job.Acute low back pain and workers disability are most important injuries caused by manual material handling tasks. Therefore, evaluation of workplace and working conditions and interventional countermeasures are essential.. The aim of this study was to evaluate the biomechanical risk factors of ma...
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