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Psychophysical frequency and sustained exertion at varyng wrist postures for a drilling task

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1001 ‎$0‎MAPA20080199807‎$a‎Marley, Robert J.
24510‎$a‎Psychophysical frequency and sustained exertion at varyng wrist postures for a drilling task‎$c‎Robert J. Marley, Jeffrey E. Fernández
520  ‎$a‎Two laboratory experiments were conducted: first, to utilize the psychophysical approach to establish maximum acceptable frequency for a sheet metal drilling task and, second, to examine the effect of sustained, static exertion upon objective and subjective measures under similar task conditions. In both experiments, the wrist posture required by the task was varied. Twelve healthy females served as subjects. Results show that the psychophysically adjusted task frequency was significantly lower when wrist deviation was required, particularly flexion
65011‎$0‎MAPA20080550653‎$a‎Ergonomía
65011‎$0‎MAPA20080573522‎$a‎Psicofisiología
65011‎$0‎MAPA20080560300‎$a‎Psicofísica
65011‎$0‎MAPA20080562410‎$a‎Experimentos
65011‎$0‎MAPA20080627690‎$a‎Síndrome del Trauma Acumulativo
65011‎$0‎MAPA20080624606‎$a‎Microtraumatismos repetitivos
7001 ‎$0‎MAPA20080281946‎$a‎Fernández, Jeffrey E.
7400 ‎$a‎Ergonomics
7730 ‎$t‎Ergonomics‎$d‎London and Washington‎$g‎Vol. 38, nº 2, February 1995 ; p. 303-325