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MAP20071019815Lower back muscle forces in pushing and pulling / K.S. Lee... [et al.]Sumario: This paper presents a study of the muscle forces predicted by a two dimensional biomechanical model during pushing and pulling and myoelectric activity from the corresponding muscles. The goal was to investigate whether a simple two muscle torso model would reasonibly estimate the muscle actions in pushing and pulling tasksEn: Ergonomics. - London and Washington. - Vol. 32, nº 12, December 1989 ; p. 1551-15631. Ergonomía. 2. Biomecánica. 3. Columna vertebral. 4. Fuerza muscular. 5. Electromiografía. I. Lee, K.S.. II. Título. III. Título: Ergonomics.