Abstract: This article describes possibilities of using electromyography (EMG) as an objective method for identification of wrong muscles work during aimed shooting focused on disciplines of sport shooting. On the beginning, there is a preview to another works, where EMG was used in sport shooting. Own measurement was focused on upper limbs, especially of tension of biceps brachii during aiming and its effect on rifle movements. For this task were used SCATT Shooter Training system and SOMNOScreen device with two channels EMG. Measurement was done on several shooters with different shooting skill in standing position with air rifle. There is presumption dependence between increased tension in muscles and rifle trajectory. Also shooters errors which were hard to find were detect with EMG.
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