Modelling and simulation analysis of training effect and electromyogram change of track and field athletes based on biomechanics
by Xuejun Wang; Shunjiang Ma; Yunyan Zhang
International Journal of Nanotechnology (IJNT), Vol. 19, No. 6/7/8/9/10/11, 2022

Abstract: In view of the serious knee injuries of elite track and field athletes in China, this paper discusses the characteristics of knee injury of track and field athletes, the mechanism of knee injury and the relationship between specific actions and training methods from the perspective of medicine, biomechanics and training, so as to provide basis for coaches to improve their skills and training. Taking the serious knee injuries of Chinese elite track and field athletes as the research object, this paper discusses the characteristics and mechanism of knee injury and its relationship with special sports and training methods. The changes of bioelectricity during the activity of local neuromuscular system were guided, amplified, displayed and recorded by surface electromyography (iEMG--Integral EMG value) through surface electrodes on the skin surface. The results show that fast muscle movement unit is easy to fatigue, and the muscle working ability of fast muscle movement unit decreases after fatigue. It is suggested that in the future training, we should strengthen the training of lower limb support and buffering ability, and gradually improve the level of athletes' special strength.

Online publication date: Mon, 13-Feb-2023

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