A model of open-loop control of equilibrium position and stiffness of the human elbow joint

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    Abstract

    According to the equilibrium point theory, the control of posture and movement involves the setting of equilibrium joint positions (EP) and the independent modulation of stiffness. One model of EP control, the α-model, posits that stable EPs and stiffness are set open-loop, i.e. without the aid of feedback. The purpose of the present study was to explore for the elbow joint the range over which stable EPs can be set open-loop and to investigate the effect of co-contraction on intrinsic low-frequency elbow joint stiffness (K
    Original languageEnglish
    Pages (from-to)341-350
    JournalBiological Cybernetics
    Volume96
    Issue number3
    DOIs
    Publication statusPublished - 2007

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