The purpose of the present study is to investigate whether distribution patterns of the maximum fingertip force in all directions from 0 deg to 360 deg around the index fingertip are the same among subjects. Distributions of the maximum index fingertip force were measured at four finger postures for five subjects (healthy males, ages 21 to 25). It became apparent that distribution patterns of the fingertip force were very similar among subjects, through the application of an analysis of variance (level of significance: 5%) to the measurement results. In the production of the maximum fingertip force, Valero-Cuevas et al. [1998, 2000] reported that patterns of control signals for driving muscle forces were common among subjects. The results of the present study indicate that patterns of maximum fingertip force are also similar among subjects. Therefore, the possibility is high that the static transfer characteristic for index fingers from input (i.e., control signals to muscles) to output (i.e., the maximum fingertip force) is also common among subjects.
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June 2002
Technical Papers
Measurement of Distribution of Maximum Index-Fingertip Force in all Directions at Fingertip in Flexion/Extension Plane
Ryuichi Yokogawa,
e-mail: ryokogaw@mail.doshisha.ac.jp
Ryuichi Yokogawa
Department of Mechanical Engineering, Doshisha University, Kyo-tanabe, Kyoto, 610-0321, Japan
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Kei Hara
Kei Hara
Department of Mechanical Engineering, Doshisha University, Kyo-tanabe, Kyoto, 610-0321, Japan
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Ryuichi Yokogawa
Department of Mechanical Engineering, Doshisha University, Kyo-tanabe, Kyoto, 610-0321, Japan
e-mail: ryokogaw@mail.doshisha.ac.jp
Kei Hara
Department of Mechanical Engineering, Doshisha University, Kyo-tanabe, Kyoto, 610-0321, Japan
Contributed by the Bioengineering Division for publication in the JOURNAL OF BIOMECHANICAL ENGINEERING. Manuscript received by the Bioengineering Division Mar. 2000; revised manuscript received Jan. 2002. Associate Editor: R. Vanderby, Jr.
J Biomech Eng. Jun 2002, 124(3): 302-307 (6 pages)
Published Online: May 21, 2002
Article history
Received:
March 1, 2000
Received:
January 1, 2002
Online:
May 21, 2002
Citation
Yokogawa, R., and Hara, K. (May 21, 2002). "Measurement of Distribution of Maximum Index-Fingertip Force in all Directions at Fingertip in Flexion/Extension Plane ." ASME. J Biomech Eng. June 2002; 124(3): 302–307. https://doi.org/10.1115/1.1468637
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