哥伦比亚咖啡收获活动的生物力学分析

IF 0.3 Q4 ENGINEERING, MULTIDISCIPLINARY UIS Ingenierias Pub Date : 2021-05-10 DOI:10.18273/revuin.v20n3-2021012
Sebastián Alberto Peláez-Gómez, Luis Eduardo Rodríguez-Cheu
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引用次数: 1

摘要

在这个案例研究中,评估了与手工咖啡收获活动相关的姿势、力量和重复的风险。研究的样本是26名志愿者,他们完成了北欧问卷调查,其中10人使用观察和姿势工具进行评估,8人使用肌电图和惯性进行姿势和肌肉负荷的生物力学评估。评估上肢的7块肌肉和2个身体节段。目的是评估考虑人体工程学的咖啡人工采收的工作条件。这种不适的结果在北欧的调查问卷中得到了体现,很明显,在采摘咖啡的工作日里,不适主要集中在背部、下背部、手和脚上。在肌肉负荷评估中,活动最高的肌肉是伸肌、尺侧腕屈肌和斜方肌。在进行统计分析时,平均而言,他们的肌肉活动是他们最大自愿收缩的20%。-抽搐显示在腕桡延伸肌和斜方肌之间的肌肉激活有更大的相关性。在对被评估的咖啡收割机的身体部位进行姿势评估时,发现它们只保持在10%到20%的中性范围内,因此它们总是处于危险状态。总之,有必要在哥伦比亚咖啡部门进行干预,不仅因为这些评估条件,而且因为他们的工作环境条件。
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Análisis biomecánico en la actividad de recolección café en Colombia
During this case study, the risks of posture, strength and repetition associated with the activity of manual coffee harvesting were evaluated. The sample studied was 26 volunteers who participated in the completion of a Nordic questionnaire, 10 of these were evaluated using observational,and postural tools and 8 people participated in the biomechanical evaluation of postural and muscular load using electromyography and inertial. Seven muscles and two body segments of the upper limbs were evaluated. The goal was to assessthe working conditions of coffee manual harvesting considering ergonomics.The results of the discomfortsweremanifested in the Nordic questionnaire where it was evident that throughout a workday harvesting coffee, the discomfort focuses on the back, lower back, hands,and feet. In the muscle load evaluation was identified that the muscles with the highest activity were the Extensor, Flexor Carpi Ulnar and the trapezius.On average,their muscular activity was20% of their maximum volunteer contraction when performing the statistical analysis. -Tics showed a greater correlation in muscle activationbetween the Carpi Radial Extender and the trapezius. In the postural evaluation of the body segments from the coffee harvesters evaluated, it was identified that they only maintain between 10% and 20% in neutral ranges, so they are always in risky conditions. In conclusion, it is necessary to carry out interventions in the Colombian coffee sector not only because of these evaluated conditions but also for theconditions in theirwork environment.
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来源期刊
UIS Ingenierias
UIS Ingenierias ENGINEERING, MULTIDISCIPLINARY-
自引率
33.30%
发文量
27
审稿时长
12 weeks
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