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Top1. Introduction
With the development of computer technology, multimedia technology and communication technology, a new education model represented by education technology has emerged in the education field in China, of which online network education is a rather prominent part (Cao, 2017; Froberg et al., 2017). Physical education is a bilateral activity of teaching and learning that is both practical and participatory. At present, resources on the Internet are less than other disciplines, which lack systematism and integrity (Lander et al., 2017). For sports teaching, action demonstration and imitation are very suitable for presentation in the form of a multimedia content. Under this background, relying on the more mature college campus network, Internet technology, computer, multimedia, modern communication and other technologies, it is the time to design a multimedia communication platform for online sports training and teaching (Macadam, Cronin & Simperingham, 2016).
Compared with other disciplines, physical education teaching has many restrictive factors, including the size of the venue, equipment types, environmental conditions, climate factors, etc. Meanwhile, difficulty of teaching and heavy task of teachers are important reasons for restricting physical education, which leads to the phenomenon that theoretical teaching and practical effects are not uniform in physical education (Mclaren et al., 2018). Because of this particularity of physical education teaching, the use of multi-media teaching systems for research of physical education assisted teaching becomes more urgent. The network multimedia communication teaching system can fully make up for these deficiencies in physical education teaching (Xi & Dong, 2017). With current application of computer network-assisted teaching methods in physical education teaching, the development and research of network multimedia teaching courseware is far from meeting practical needs of physical education teaching although the network multimedia teaching system has unparalleled superiority (Uter, Gefeller & Mahler, 2016).
In recent years, scholars have proposed some new online teaching systems. For example, researchers proposed a design scheme for remote classroom teaching based on electronic 3D virtual reality (Liu & Guo, 2017). The teaching system was performed in the Multigen Creator software development environment. The remote visual simulation of the flipped classroom teaching scene was performed using 3D virtual reality technology. A 3D teaching scene model was established. Moreover, a visual simulation program for remote teaching of flipping classrooms was established in combination with Vega Prime visual development technology, and multi-threaded program loading and network control design were performed. A sports coaching system based on artificial intelligence was proposed (Liu, 2018). Based on the intention model, credibility and effectiveness analysis, confirmatory factor analysis and structural equation model test, the network sports teaching platform was established (Dai, 2016). The platform used the bootstrap method and the group regression method to test the mediating role of the attitude and regulation of the Big Five personality. The perceived usefulness and perceived ease of use of the online teaching platform have a significant positive impact on the teaching attitude. The teaching attitude has a significant positive impact on the intention of use, and has certain educational and training adjustment effects. On the basis of obtaining sports-related data, functional movement patterns, sports techniques, etc. are evaluated. Meanwhile, multi-target feedback training methods are established, and eventually the athletes are trained to improve their training level. The above-mentioned sports training and teaching systems all exist drawbacks, such as narrow student content range, lacking of communication between teachers and students, and long response time.
In this paper, a design method of online sports training teaching system based on mobile multimedia communication platform is proposed. The main research work is as follows: