Introduction Practicing sports can strengthen the body both physically and mentally. Although Tai Chi can help injured athletes to recover quickly and shorten the return to sports training and competition, there are still no detailed studies about its effectiveness in lower limb injuries in young people. Objective Analyze the effects of Tai Chi in upper limb sports injuries rehabilitation on young people. Methods 91 patients with sports injuries are selected and randomly divided into a control group (n=44) and an experimental group (n=47). The control group received regular exercises for rehabilitation, while the experimental group used Tai Chi exercises. Mathematical statistics are used to analyze the effects before and after the activities. Results There are considerable statistical differences in the effects of exercise on the two groups of patients. Conclusion Tai Chi exercise can help young people recover from upper limb sports injuries. Evidence level II; Therapeutic Studies - Investigating the results.
Users must quickly and effectively classify, browse, and retrieve videos due to the explosive growth of video data. A variety of shots make up the video data stream. The most important technology in video retrieval is shot detection, which can fundamentally solve many problems, resulting in improved detection effects and even directly affecting video retrieval performance. This paper investigates the shot transition detection algorithm in digital video live broadcasts based on sporting events. To solve the problem of shot transition detection using a single training sample, an AMNN (Associative Memory Neural Network) model with online learning ability is proposed. Experiments on a large football video data set show that this algorithm detects shear and gradual change better than existing algorithms and meets the application requirements of sports video retrieval in most cases.
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