Entropy-Based Biomechanical Research and Its Applications II

Dear Colleagues,

Many sports, locomotion, ergonomic, pathological, and other observable phenomena exhibit time evolution and can be successfully modeled via suitable mathematical expression, usually in a set of differential equations. Because input–output relations between system quantities are generally non-proportional, associated dynamical behavior could be very complex or, under specific conditions, chaotic. Detection, description, analysis, quantification, and control of this random-like erratic motion associated with nonlinear dynamical systems is important due to universality (through dimensionless mathematical modeling) and several unique properties (sensitivity to initial conditions, mixing attractors, fractal dimension, long-term unpredictability, continuous frequency spectrum, etc.).

Besides its application in information theory, entropy is a general measure commonly used to analyze complex systems. Similarly to Lyapunov exponents or fractal dimensions, entropy describes the complexity of dynamics concerning system parameters, external forcing, initial conditions, or time instances.

Considering the recent advances in dynamic systems, this Special Issue follows the success of the first Special Issue, with this second volume, which will continue to collate new ideas and describe promising methods arising from the field of analysis and modeling human behavior using complex nonlinear dynamical systems.

This Special Issue will accept original, unpublished papers and comprehensive reviews focused on (but not restricted to) the following research areas:

• Application of different entropy calculations in biomechanical analysis of human movements;
• Analysis of nonlinear dynamical systems with complex behavior;
• New chaotic systems with unique properties, both autonomous and driven;
• Experimental investigation of human movement with nonlinear dynamics;
• Advanced computational algorithms applied in human movements;
• Novel numerical methods dedicated to the quantitative analysis of dynamical human behaviors;
• Algorithms for analysis of time sequences and entropy calculation applied to human movements.

To view the first volume of this Special Issue, please see: https://www.mdpi.com/si/entropy/Biomechanical_Research

Dr. Li Li
Dr. Brad Manor
Guest Editors

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