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The construction of a scientific training command system is of great significance for improving the scientific level of the training process and deepening the digital cognition of ski training. This paper is based on the multisensor combination to conduct a digital research on cross\u2010country skiing training, aiming to conduct in\u2010depth research on the realization of human motion capture and the theory of motion inertial sensing. To build a scientific, formal, and malleable ski training program, the requirements for data acquisition, recording, and analysis are quite strict. For this, it is necessary to use scientific and reasonable tools combined with multiple algorithms to process information and data. During the experiment, accelerometers, gyroscopes, and magnetometers are selected as sensors to receive motion information, and recognition algorithms for identifying weightlessness, hybrid filtering algorithm, displacement estimation algorithm, and kinematic principles are adapted to process multisensor data using information integration technology. A human body motion model was established based on kinematic principles, and a cross\u2010country skiing motion measurement program was designed. The experimental results show that, according to the combination of multisensing and video platform, the athlete\u2019s posture prediction is adjusted, and the action on the track is more consistent, which can accelerate the athlete\u2019s skiing speed and the size of the inclination angle to a large extent. It can affect the direction of the athlete\u2019s borrowing force and the adjustment of gravity during the exercise. The tilt angle is expanded from 135\u00b0 to 170\u00b0, and it can maintain good continuity during the exercise.<\/jats:p>","DOI":"10.1155\/2021\/5662716","type":"journal-article","created":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T05:26:29Z","timestamp":1633065989000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Digitalization of Cross\u2010Country Skiing Training Based on Multisensor Combination"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6464-0400","authenticated-orcid":false,"given":"Xingxing","family":"Li","sequence":"first","affiliation":[]},{"given":"Lulu","family":"Song","sequence":"additional","affiliation":[]},{"given":"Hao","family":"Wu","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2021,9,30]]},"reference":[{"key":"e_1_2_9_1_2","first-page":"184","article-title":"A comparison between alpine skiing, cross-country skiing and indoor cycling on cardiorespiratory and metabolic response","volume":"15","author":"St\u00f6ggl T.","year":"2016","journal-title":"Journal of Sports Science and Medicine"},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s40593-016-0106-z"},{"key":"e_1_2_9_3_2","doi-asserted-by":"publisher","DOI":"10.1080\/02640414.2016.1161205"},{"key":"e_1_2_9_4_2","doi-asserted-by":"publisher","DOI":"10.3390\/su12229538"},{"key":"e_1_2_9_5_2","first-page":"124","article-title":"Impact of incline, sex and level of performance on kinematics during a distance race in classical cross-country skiing","volume":"17","author":"St\u00f6ggl T.","year":"2018","journal-title":"Journal of Sports Science & Medicine"},{"key":"e_1_2_9_6_2","doi-asserted-by":"publisher","DOI":"10.1080\/00913847.1992.11947419"},{"key":"e_1_2_9_7_2","doi-asserted-by":"publisher","DOI":"10.1519\/JSC.0000000000001616"},{"key":"e_1_2_9_8_2","first-page":"1","article-title":"Technologies of sportification: practice, theory and co-production of training knowledge in cross-country skiing since the 1950s","volume":"9","author":"Svensson D.","year":"2016","journal-title":"European Studies in Sports History"},{"key":"e_1_2_9_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/TEVC.2021.3085906"},{"key":"e_1_2_9_10_2","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2021.3076269"},{"key":"e_1_2_9_11_2","doi-asserted-by":"publisher","DOI":"10.15678\/EBER.2019.070311"},{"key":"e_1_2_9_12_2","first-page":"1","article-title":"Pole length\u2032s influence on performance during classic-style snow skiing in well-trained cross-country skiers","volume":"15","author":"Tr\u00f8en E.","year":"2019","journal-title":"International Journal of Sports Physiology and Performance"},{"key":"e_1_2_9_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.procs.2021.04.054"},{"key":"e_1_2_9_14_2","doi-asserted-by":"publisher","DOI":"10.24071\/llt.2017.200209"},{"key":"e_1_2_9_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.rse.2015.10.025"},{"key":"e_1_2_9_16_2","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2016.2521605"},{"key":"e_1_2_9_17_2","doi-asserted-by":"publisher","DOI":"10.1002\/2016JC011833"},{"key":"e_1_2_9_18_2","first-page":"12","article-title":"Application of multi-sensor information fusion in the fault diagnosis of hydraulic system","volume":"22","author":"Liu B. 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