A three-dimensional scalable biomechanical model of the four fingers of the hand to evaluate power grip is proposed. The model has been validated by means of reproducing an experiment in which the subjects exerted the maximal voluntary grasping force over cylinders of different diameters. The model is used to simulate the cylinder grip for two hand sizes and for five different handle diameters. The reduction of the muscle forces using different handle diameters has been studied. The model can be applied to the design and evaluation of handles for power grip and to the study of power grasp for normal and abnormal hands.
A 3D Biomechanical Model of the Hand for Power Grip
Contributed by the Bioengineering Division for publication in the JOURNAL OF BIOMECHANICAL ENGINEERING. Manuscript received October 2001; revised manuscript received August 2002. Associate Editor: C. L. Vaughan.
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Sancho-Bru, J. L., Pe´rez-Gonza´lez , A., Vergara, M., and Giurintano, D. J. (February 14, 2003). "A 3D Biomechanical Model of the Hand for Power Grip ." ASME. J Biomech Eng. February 2003; 125(1): 78–83. https://doi.org/10.1115/1.1532791
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