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Esta pesquisa teve por objetivo determinar a carga fisica de trabalho e avaliar o esforco fisico na atividade de aplicacao manual de herbicida em plantios florestais, visando propor a melhoria das condicoes de conforto, seguranca e saude dos trabalhadores. A carga fisica de trabalho foi obtida por meio do levantamento da frequencia cardiaca dos trabalhadores na execucao das diversas fases do ciclo de trabalho e a atividade classificada conforme metodologia proposta por Apud (1989). Os resultados indicaram que a atividade de aplicacao manual de herbicida foi classificada como moderadamente pesada, apresentando carga cardiovascular abaixo do limite maximo recomendado de 40% e nao sendo necessario o estabelecimento de pausas adicionais de repouso. Abstract The objective of this research was to determine and evaluate the demanded physical effort in the activity of herbicide manual application in forest plantations, proposing an ergonomic reorganization to improve the workers’ comfort, security, safety and health. The demanded physical effort was gotten in a survey of the workers’ cardiac frequency while executing the work stages, and classified according to methodology proposed by Apud (1989). The results indicated that the activity of herbicide manual application was classified as moderately heavy, featuring cardiovascular load below the recommended limit of 40% and there is no need to establish additional break in the work.

ambiência

Determinação da carga física de trabalho na atividade de aplicação manual de herbicida / Determination of demanded physical effort in herbicide application activity