Prevención de la fatiga física mediante la introducción de micropausas en los auxiliares de despacho de la Estación de Servicios Amazonas

Abstract

The dispatchers of the petrol pumps at the Amazonas EP Station of PETROECUADOR work standing continuously for 11 hours and 30 minutes. The posture can cause physical fatigue. The cardiovascular load indicated the presence of heavy work. Recovery time is calculated and distribution of changes in activity and posture are proposed in micropauses. Cardiovascular load is calculated in 30 workers by the Holter monitoring method for a period of 24 hours. The questionnaire for Yoshitake fatigue symptom was applied for a sample of 28 workers. Fifty percent of workers showed symptoms of fatigue, 61%, general symptoms of fatigue, and 54%, excessive fatigue. The statistical mode of the number of hours with the maximum heart frequencies was used to propose the time of the micropauses and changes of activity and posture. Fifty percent of the workers had cardiovascular loads classified as heavy work and 46%, light heavy duty work. A decrease from 12 to 8 hours of work is proposed, with a calculation of average cardiovascular load of 37 minutes for recovery time. Micropauses were proposed to be distributed every 21 minutes with 16 minutes for the change of activity and posture.