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  • Title: A biomechanical model of index finger dynamics.
    Author: Brook N, Mizrahi J, Shoham M, Dayan J.
    Journal: Med Eng Phys; 1995 Jan; 17(1):54-63. PubMed ID: 7704345.
    Abstract:
    A dynamic model of the biomechanics of the index finger for flexion-extension and abduction-adduction motion is introduced. The model takes into account all the tendons in the finger and relates to their varying moment arms during motion. A new set of moment arm coefficients and elongation equations is derived based on experimental measurements of previous studies. Constraint equations using variable coefficients are introduced and an optimization approach used to obtain the tendon forces required for any given motion and external force. The model and optimization approach are tested with data from a rapid pinch experiment as well as a hypothetical disc rotation. Good correlation is obtained with respect to electromyographic data in the literature.
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