Modeling the human knee for assistive technologies

M. Sartori, M. Reggiani, E. Pagello, David Lloyd

    Research output: Contribution to journalArticlepeer-review

    45 Citations (Scopus)


    In this paper, we use motion capture technology together with an EMG-driven musculoskeletal model of the knee joint to predict muscle behavior during human dynamic movements. We propose a muscle model based on infinitely stiff tendons and show this allows speeding up 250 times the computation of muscle force and the resulting joint moment calculation with no loss of accuracy with respect to the previously developed elastic-tendon model. We then integrate our previously developed method for the estimation of 3-D musculotendon kinematics in the proposed EMG-driven model. This new code enabled the creation of a standalone EMG-driven model that was implemented and run on an embedded system for applications in assistive technologies such as myoelectrically controlled prostheses and orthoses.
    Original languageEnglish
    Pages (from-to)2642-2649
    JournalIEEE Transactions on Biomedical Engineering
    Issue number29
    Early online date13 Jul 2012
    Publication statusPublished - 16 Aug 2012


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