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Analysis of the electromyographic signal during rehabilitation exercises of the knee joint

Grabski J. K., Kazimierczuk S., Walczak T.

Vibrations in Physical Systems

2014

Vol. 26

79--86

The system of human locomotion is very complex. Generally we can divide it into the skeletal and muscle systems. The muscle system (muscles) enable to move the body which is formed by the skeletal system (bones). Electromyography is a technique of measurement the electrical activity of muscles which is related with shortening or lengthening of muscle fibers (muscle contraction). In the paper analysis of the electromyographic signal (EMG) recorded during knee rehabilitation exercises was conducted. The records of EMG from person after knee injury were compared with records of EMG from healthy person.