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Appl Ergon. 2011 Mar 23. [Epub ahead of print]
Assessment of grip force and subjective hand force exertion under handedness and postural conditions.
Li KW, Yu R.
Department of IndustrialManagement, Chung Hua University, 707, Sec 2, WuFu Road, Hsin-Chu, Taiwan.
Abstract
The Borg CR-10 scale has been used to quantify the perception of physical exertion. An experiment was conducted to test thegrip force of males on four levels of the CR-10 scale under experimental conditions. It was found that the subjects applied higher grip forces than they perceived at levels 2, 5, and 7 on the scale.The grip forces between dominant and non-dominant hands at low CR-10 levels were negligible. The grip forces were significantly different between the two hands at level 10. Similar results were foundfor the postural conditions. A follow-up experiment was conducted to estimate the subjective rating when applying a pre-determined grip force under the same conditions. Regression models wereestablished to link the relationship between the subjective rating and hand force. The estimated ratings were lower than those actual values under all the tested conditions, even though the models have highR(2) values.
Copyright © 2011 Elsevier Ltd and The Ergonomics Society. All rights reserved.
Ergon Appl. 2011 Mar 23. [Epub ahead of print]
Evaluación de la fuerza de agarre y el esfuerzo subjetivofuerza de la mano en uso de las manos y las condiciones posturales.
KW Li, Yu R.

Departamento de Gestión Industrial de la Universidad Chung Hua, 707, § 2,carretera Wufu, Hsin-Chu, Taiwan.
ResumenLos Borg CR-10, viene siendo utilizada para cuantificar la percepción de esfuerzofísico. Se realizó un experimento para probar la fuerza de agarre de los hombres encuatro niveles de la CR-10 escalabajo condiciones experimentales. Se encontróque los sujetos aplican fuerzas superiores agarre de lo que percibe en los niveles2, 5 y 7 en la escala. Las fuerzas de adherencia entre las manos...
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