**11. Future directions**

Studies in the field of signal processing, especially, surface electromyography signals, have been widely used for understanding the dynamic motions by the fact that most human movements happening dynamically. Thus, processing in the field of time and frequency should be increasingly directed to this specificity.

Understanding the phenomena of depolarization of motor units, future research should be related to the physiological, mechanophysiological and functional human movement.

Applications in the area of functional biomechanics, ergonomics, rehabilitation, sports and physical activity must be analyzed dynamically so that the signal processing, fairly represent the specific characteristics of human movement-environment relationship. Thus, these factors provide parameters for understanding the non-stationary signals, the variation components of the muscle fiber in relation to the positioning of the electrodes and in the bioelectrical conductivity.

Application of Surface Electromyography in the Dynamics of Human Movement 407

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