A model for forward dynamic simulation of the rapid tapping motion of an index finger is presented. The finger model was actuated by two muscle groups: one flexor and one extensor. The goal of this analysis was to estimate the maximum tapping frequency that the index finger can achieve using forward dynamics simulations. To achieve this goal, each muscle excitation signal was parameterized by a seventh-order Fourier series as a function of time. Simulations found that the maximum tapping frequency was 6 Hz, which is reasonably close to the experimental data. Amplitude attenuation (37% at 6 Hz) due to excitation/activation filtering, as well as the inability of muscles to produce enough force at high contractile velocities, are factors that prevent the finger from moving at higher frequencies. Musculoskeletal models have the potential to shed light on these restricting mechanisms and help to better understand human capabilities in motion production.
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September 2017
Research-Article
Estimation of Maximum Finger Tapping Frequency Using Musculoskeletal Dynamic Simulations
Mohammad Sharif Shourijeh,
Mohammad Sharif Shourijeh
Mechanical Engineering Department,
University of Ottawa,
Ottawa, ON K1N 6N5, Canada
e-mail: msharifs@uottawa.ca
University of Ottawa,
Ottawa, ON K1N 6N5, Canada
e-mail: msharifs@uottawa.ca
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Reza Sharif Razavian,
Reza Sharif Razavian
Department of Systems Design Engineering,
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: rsharifr@uwaterloo.ca
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: rsharifr@uwaterloo.ca
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John McPhee
John McPhee
Department of Systems Design Engineering,
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: mcphee@uwaterloo.ca
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: mcphee@uwaterloo.ca
Search for other works by this author on:
Mohammad Sharif Shourijeh
Mechanical Engineering Department,
University of Ottawa,
Ottawa, ON K1N 6N5, Canada
e-mail: msharifs@uottawa.ca
University of Ottawa,
Ottawa, ON K1N 6N5, Canada
e-mail: msharifs@uottawa.ca
Reza Sharif Razavian
Department of Systems Design Engineering,
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: rsharifr@uwaterloo.ca
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: rsharifr@uwaterloo.ca
John McPhee
Department of Systems Design Engineering,
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: mcphee@uwaterloo.ca
University of Waterloo,
Waterloo, ON N2L-3G1, Canada
e-mail: mcphee@uwaterloo.ca
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received April 13, 2016; final manuscript received February 21, 2017; published online May 4, 2017. Assoc. Editor: Arend L. Schwab.
J. Comput. Nonlinear Dynam. Sep 2017, 12(5): 051009 (7 pages)
Published Online: May 4, 2017
Article history
Received:
April 13, 2016
Revised:
February 21, 2017
Citation
Shourijeh, M. S., Razavian, R. S., and McPhee, J. (May 4, 2017). "Estimation of Maximum Finger Tapping Frequency Using Musculoskeletal Dynamic Simulations." ASME. J. Comput. Nonlinear Dynam. September 2017; 12(5): 051009. https://doi.org/10.1115/1.4036288
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