autores Ana Cristina da Silva Braga Arezes, P. Colim, Ana S. Fernandes, Joao Paulo I. Mesquita Braga, A. C. Flores, Paulo Monteiro, P.R.R. Arezes, P. A. C. Braga
palavras-chave Electromyography Muscular activity Obesity Percentage of maximum contraction during each task Vertical handling tasks