2017
DOI: 10.1590/1806-90882017000100009
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Abstract: -This study aimed to assess different types of machines adapted for mechanized forest harvesting activities in order to quantify the degree of compliance with ergonomic principles applicable to forest machines, as well as the ergonomic risks to which workers are exposed. The following machines were evaluated: a feller buncher adapted into a wheel loader; a mini skidder coupled to an agricultural tractor; and a forest loader adapted to an agricultural tractor; operating in the states of Paraná and Minas Gerais.… Show more

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Cited by 16 publications
(11 citation statements)
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“…The log estimate of the MSS score for loggers using a conventional chainsaw versus mechanical systems was 0.26, which corresponds to a 1.29 increase in the expected MSS score. The expected MSS score for workers with a BMI falling into the overweight range (25.0-29.9 kg/m [20]) was 0.68 points higher than workers with a BMI in the normal range (18.5-24.9 kg/m [22]) (log estimate: −0.39 (−0.60-−0.1)). The expected MSS score for workers with a BMI in the obese range (>29.9 kg/m [23]) was 0.70 points higher than workers with a BMI in the normal range (log estimate: −0.35 (−0.57-−0.13)).…”
Section: Resultsmentioning
confidence: 99%
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“…The log estimate of the MSS score for loggers using a conventional chainsaw versus mechanical systems was 0.26, which corresponds to a 1.29 increase in the expected MSS score. The expected MSS score for workers with a BMI falling into the overweight range (25.0-29.9 kg/m [20]) was 0.68 points higher than workers with a BMI in the normal range (18.5-24.9 kg/m [22]) (log estimate: −0.39 (−0.60-−0.1)). The expected MSS score for workers with a BMI in the obese range (>29.9 kg/m [23]) was 0.70 points higher than workers with a BMI in the normal range (log estimate: −0.35 (−0.57-−0.13)).…”
Section: Resultsmentioning
confidence: 99%
“…While the root cause of the ergonomic stressor varies between conventional and mechanized logging systems, both system types experience ergonomic hazards, which may result in injuries to various anatomical areas. Loggers in mechanized operations may experience symptoms in the neck and upper back due to constant head turning and twisting required to continually monitor the area outside the logging equipment [22,26]. Lewark, in 2005 in a systematic literature review, reported that loggers using MH equipment sustain low-level muscle actively for long hours with very little interruption.…”
Section: Discussionmentioning
confidence: 99%
“…This index is related to the unhealthy conditions of workplaces mentioned by workers, such as thermal discomfort and noise levels. When it comes to loud noise, these tend to impair mental concentration in performing certain tasks that require attention, speed or precision of movement [4].…”
Section: Quality Of Lifementioning
confidence: 99%
“…Most of the injuries due to ergonomic risks are of the cumulative trauma type, the worker will only perceive their effects after some years exposed to a certain work situation. In this way, the importance of having the workplace adapted to the psychophysiological characteristics of the workers is emphasized, so as to provide maximum comfort, safety and efficient performance, as recommended in the Standard NR-17, which deals with ergonomics at work [4].…”
Section: Introductionmentioning
confidence: 99%
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