Modeling of Isometric Muscle Properties via Controllable Nonlinear Spring, and Hybrid Model of Proprioceptive Receptors
Abstract
We present a macroscopic anatomical behaviour of skeletal muscles. According to the data available in the literature, we propose a first model for the muscle isometric force generation depending on the muscle length and neuronal excitation frequency. We moreover provide a more physical-inspired model of the isometric force exploiting a nonlinear spring description with controllable characteristics, such as stiffness and rest length. Then, a hybrid model is proposed to describe the sensory system that provides the Central Nervous System (CNS) with the measurements of muscle length and its rate of change.
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