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MAP20071019786Genaidy, Ashraf M.Effects of frequency and load of lift on endurance time / Ashraf M. Genaidy and Shihab S. AsfourSumario: The purpose of the present study was to determine endurance time for manual lifting tasks which were performed over a wide range of loads (5,10,15, and 20 kg) and frequencies (4,6,8 and 10 times/min) for a lift from floor to table height. Endurance time was defined in this study as the maximum lenght of time during which an individual was capable of lifting a given load at a given frequency continuouslyEn: Ergonomics. - London and Washington. - Vol. 32, nº 1, January 1989 ; p. 51-571. Ergonomía. 2. Carga de materiales. 3. Psicofísica. 4. Capacidad de trabajo. 5. Resistencia. 6. Tiempos de trabajo. I. Asfour, S.S.. II. Título. III. Título: Ergonomics.