Article(id=1156264263757980349, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403029, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713888000000, receivedDateStr=2024-04-24, revisedDate=1734019200000, revisedDateStr=2024-12-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1753604482830, onlineDateStr=2025-07-27, pubDate=1740672000000, pubDateStr=2025-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753604482830, onlineIssueDateStr=2025-07-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753604482830, creator=13701087609, updateTime=1753604482830, updator=13701087609, issue=Issue{id=1156264148657886112, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='6', pageStart='2193', pageEnd='2636', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753604455388, creator=13701087609, updateTime=1753771257443, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156963767234945803, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156963767234945804, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156264148657886112, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2389, endPage=2396, ext={EN=ArticleExt(id=1156264264491983551, articleId=1156264263757980349, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Application of Artificial Intelligence-Based Three-Dimensional Motion Analysis System in Ski Jumping, columnId=1156262729162810294, journalTitle=Science Technology and Engineering, columnName=Papers·Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
To explore the feasibility of using AI (artificial intelligence) three-dimensional motion analysis for analyzing the influencing factors on the distance of ski jumping and optimizing athletes’ technical movements, a study was conducted during the 2022 FIS Continental Cup Beijing event. Sixteen athletes’ take-off phase motions were captured within a fixed range using AI-based three-dimensional motion analysis system. This system automatically parsed the videos to obtain biomechanical parameters of the athletes’ take-off phase. By comparing the correlation coefficients and differences between manually processed data and AI-generated data of the three-dimensional coordinates of body joints over time, the validation of the equipment for ski jumping was conducted. The multiple correlation coefficient was found to be greater than 0.91, with an average difference value of less than 1.48 cm, indicating the reliability of the system. Furthermore, a comparison was made between the technical parameters of high-level foreign athletes and domestic athletes. Using t-tests and Pearson correlation coefficient analysis, the relationship between body posture parameters during the take-off phase and sports performance was examined. The results reveal correlations between take-off speed and angles of ankle and knee during the take-off phase, and between the final score and ankle angle during take-off, suggesting that Chinese athletes should focus on achieving full extension during take-off and timing their jumps appropriately to significantly enhance sports performance. Overall, the system demonstrated precise feedback for ski jumping technique analysis. Additionally, it enabled the acquisition of biomechanical parameters from world champion athletes to construct a champion model, providing valuable training references for Chinese athletes.
, correspAuthors=Dong ZHANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Jian-yu LI, Dong-xue LIANG, Chun-mei CAO, Dong ZHANG), CN=ArticleExt(id=1156264301552853752, articleId=1156264263757980349, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=人工智能三维运动分析系统在跳台滑雪项目中的应用, columnId=1156262729783567290, journalTitle=科学技术与工程, columnName=论文·自动化技术、计算机技术, runingTitle=null, highlight=null, articleAbstract=
为探究人工智能三维运动分析应用于分析跳台滑雪飞行距离影响因素和优化运动员技术动作的可行性, 在2022年国际雪联洲际杯北京站比赛中对16名运动员的起跳阶段动作进行固定范围拍摄,使用人工智能三维运动分析系统对拍摄视频进行自动三维动作解析。该分析系统可以获取运动员起跳阶段的生物力学参数,通过对比人工与智能系统在处理人体关节点三维坐标时间序列时的相关系数及差值,对该系统应用于跳台滑雪的可行性进行验证,其结果的多重相关系数大于0.91,差值平均值小于1.48 cm。最后对国外高水平运动员和国内运动员技术动作参数进行比较,并采用t检验和皮尔逊相关系数法分析起跳阶段身体姿态参数与运动表现的相关关系。结果显示运动员出台速度与蹬伸开始踝角、膝角相关,最终成绩与蹬伸开始踝角相关,提示中国运动员应注重起跳阶段的充分蹬伸、把握起跳时机,能够显著提高运动表现。可见该系统能够对跳台滑雪技术分析做到精准反馈,且可获得世界冠军运动员生物力学参数以构建冠军模型为中国运动员提供训练参考。
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历建宇(1999—),男,汉族,吉林白山人,硕士研究生。研究方向:运动训练与机能监控。E-mail:jy-li22@mails.tsinghua.edu.cn。
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历建宇(1999—),男,汉族,吉林白山人,硕士研究生。研究方向:运动训练与机能监控。E-mail:jy-li22@mails.tsinghua.edu.cn。
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历建宇(1999—),男,汉族,吉林白山人,硕士研究生。研究方向:运动训练与机能监控。E-mail:jy-li22@mails.tsinghua.edu.cn。
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1 Division of Sports Science and Physical Education, Tsinghua University, Beijing 100084, China), AuthorCompanyExt(id=1233422546029310623, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, companyId=1233422546016727710, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 清华大学体育部, 北京 100084)]), AuthorCompany(id=1233422546239025832, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, xref=2, ext=[AuthorCompanyExt(id=1233422546259997355, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, companyId=1233422546239025832, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 China Institute of Artificial Intelligence in Sports, Capital University of Physical Education and Sports, Beijing 100091, China), AuthorCompanyExt(id=1233422546268385964, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, companyId=1233422546239025832, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 首都体育学院体育人工智能研究院, 北京 100091)])], figs=[ArticleFig(id=1233422550819206116, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Fig.1, caption=
Fastmove 3D motion AI technical route, figureFileSmall=GpJKowDnBi7vUO2QIjt08Q==, figureFileBig=scMBdmeoyizAw+IVmN1KsQ==, tableContent=null), ArticleFig(id=1233422550961812469, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=图1, caption=
Fastmove 3D motion AI技术路线, figureFileSmall=GpJKowDnBi7vUO2QIjt08Q==, figureFileBig=scMBdmeoyizAw+IVmN1KsQ==, tableContent=null), ArticleFig(id=1233422551179915276, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Fig.2, caption=
Calibration configuration and camera deployment orientation, figureFileSmall=zDc9t+UCm9Cwev6htud39w==, figureFileBig=YcBJneJOratDqqS8O1dNsA==, tableContent=null), ArticleFig(id=1233422551322521628, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=图2, caption=
标定设置及摄像机架设方位 C1~C4表示4部采集视频的摄像机
, figureFileSmall=zDc9t+UCm9Cwev6htud39w==, figureFileBig=YcBJneJOratDqqS8O1dNsA==, tableContent=null), ArticleFig(id=1233422551586762796, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Fig.3, caption=
Comparison of action posture parameters between world elite athletes and Chinese athletes (take-off starta, take-off moment, departure moment), figureFileSmall=3AS2Z8ApJ4bmDjOyZedb0g==, figureFileBig=PCji/W+XpHlojJv1BylrMA==, tableContent=null), ArticleFig(id=1233422551737757759, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=图3, caption=
世界精英运动员与中国优秀运动员蹬伸开始、起跳时刻、离台时刻动作姿态参数对比, figureFileSmall=3AS2Z8ApJ4bmDjOyZedb0g==, figureFileBig=PCji/W+XpHlojJv1BylrMA==, tableContent=null), ArticleFig(id=1233422551871975502, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Table 1, caption=
Presents the basic information and performance of the top 10 athletes in the 2022 FIS Continental Cup and 6 Chinese outstanding athletes
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| 运动员编号 | 国籍 | 年龄 | 出台速度/(km·h-1) | 距离/m | 距离得分 | 姿态得分 | 环境风补偿分 | 总得分 |
| W01 | 奥地利 | 25 | 90.2 | 98.5 | 67.0 | 52.0 | 2.4 | 121.4 |
| W02 | 日本 | 21 | 90.1 | 99.0 | 68.0 | 52.5 | 0.8 | 121.3 |
| W03 | 奥地利 | 22 | 90.6 | 96.0 | 62.0 | 50.0 | 4.9 | 116.9 |
| W04 | 日本 | 22 | 89.7 | 95.5 | 61.0 | 50.5 | 5.1 | 116.6 |
| W05 | 捷克 | 25 | 90.7 | 96.5 | 63.0 | 52.0 | -0.9 | 114.1 |
| W06 | 捷克 | 18 | 90.2 | 97.5 | 65.0 | 52.0 | -4.4 | 112.6 |
| W07 | 德国 | 23 | 90.8 | 94.0 | 58.0 | 47.5 | 3.6 | 109.1 |
| W08 | 德国 | 22 | 89.9 | 92.5 | 55.0 | 51.0 | 2.9 | 108.9 |
| W09 | 奥地利 | 23 | 90.4 | 94.5 | 59.0 | 51.0 | -1.7 | 108.3 |
| W10 | 奥地利 | 21 | 89.7 | 93.5 | 57.0 | 51.0 | -0.6 | 107.4 |
| 平均值 | | 22.20 | 90.2 | 95.6 | 61.5 | 50.9 | 1.21 | 113.7 |
| 标准差 | | 2.04 | 0.39 | 2.16 | 4.33 | 1.44 | 3.1 | 5.27 |
| C01 | 中国 | 22 | 89.9 | 88.0 | 46.0 | 48.5 | 0.7 | 95.2 |
| C02 | 中国 | 18 | 89.3 | 78.5 | 27.0 | 43.0 | -0.9 | 69.1 |
| C03 | 中国 | 17 | 89.7 | 78.5 | 27.0 | 42.5 | -1.4 | 68.1 |
| C04 | 中国 | 21 | 89.3 | 87.5 | 45.0 | 25.5 | -2.6 | 67.9 |
| C05 | 中国 | 27 | 89.7 | 76.0 | 22.0 | 45.5 | -2.5 | 65.0 |
| C06 | 中国 | 22 | 89.1 | 75.5 | 21.0 | 42.5 | -2.6 | 60.9 |
| 平均值 | | 21.17 | 89.5 | 80.7 | 31.3 | 41.3 | -1.6 | 71.0 |
| 标准差 | | 3.54 | 0.31 | 5.63 | 11.25 | 8.06 | 1.31 | 12.21 |
), ArticleFig(id=1233422552043941983, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=表1, caption=
2022年国际雪联洲际杯前10名运动员和6名中国优秀运动员基本信息和成绩
, figureFileSmall=null, figureFileBig=null, tableContent=
| 运动员编号 | 国籍 | 年龄 | 出台速度/(km·h-1) | 距离/m | 距离得分 | 姿态得分 | 环境风补偿分 | 总得分 |
| W01 | 奥地利 | 25 | 90.2 | 98.5 | 67.0 | 52.0 | 2.4 | 121.4 |
| W02 | 日本 | 21 | 90.1 | 99.0 | 68.0 | 52.5 | 0.8 | 121.3 |
| W03 | 奥地利 | 22 | 90.6 | 96.0 | 62.0 | 50.0 | 4.9 | 116.9 |
| W04 | 日本 | 22 | 89.7 | 95.5 | 61.0 | 50.5 | 5.1 | 116.6 |
| W05 | 捷克 | 25 | 90.7 | 96.5 | 63.0 | 52.0 | -0.9 | 114.1 |
| W06 | 捷克 | 18 | 90.2 | 97.5 | 65.0 | 52.0 | -4.4 | 112.6 |
| W07 | 德国 | 23 | 90.8 | 94.0 | 58.0 | 47.5 | 3.6 | 109.1 |
| W08 | 德国 | 22 | 89.9 | 92.5 | 55.0 | 51.0 | 2.9 | 108.9 |
| W09 | 奥地利 | 23 | 90.4 | 94.5 | 59.0 | 51.0 | -1.7 | 108.3 |
| W10 | 奥地利 | 21 | 89.7 | 93.5 | 57.0 | 51.0 | -0.6 | 107.4 |
| 平均值 | | 22.20 | 90.2 | 95.6 | 61.5 | 50.9 | 1.21 | 113.7 |
| 标准差 | | 2.04 | 0.39 | 2.16 | 4.33 | 1.44 | 3.1 | 5.27 |
| C01 | 中国 | 22 | 89.9 | 88.0 | 46.0 | 48.5 | 0.7 | 95.2 |
| C02 | 中国 | 18 | 89.3 | 78.5 | 27.0 | 43.0 | -0.9 | 69.1 |
| C03 | 中国 | 17 | 89.7 | 78.5 | 27.0 | 42.5 | -1.4 | 68.1 |
| C04 | 中国 | 21 | 89.3 | 87.5 | 45.0 | 25.5 | -2.6 | 67.9 |
| C05 | 中国 | 27 | 89.7 | 76.0 | 22.0 | 45.5 | -2.5 | 65.0 |
| C06 | 中国 | 22 | 89.1 | 75.5 | 21.0 | 42.5 | -2.6 | 60.9 |
| 平均值 | | 21.17 | 89.5 | 80.7 | 31.3 | 41.3 | -1.6 | 71.0 |
| 标准差 | | 3.54 | 0.31 | 5.63 | 11.25 | 8.06 | 1.31 | 12.21 |
), ArticleFig(id=1233422552178159725, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Table 2, caption=
Comparison of correlation coefficients and differences in the analysis of three-dimensional coordinates of human body joints over time using Fastmove 3D motion AI
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标定 位置 | X轴坐标 | Y轴坐标 | Z轴坐标 |
相关 系数 | 差值/ cm | 相关 系数 | 差值/ cm | 相关 系数 | 差值/ cm |
| 头顶点 | 0.999 9 | 0.15 | 0.999 9 | 0.16 | 0.957 5 | 0.17 |
| 下颌 | 0.999 9 | 0.34 | 0.999 9 | 0.27 | 0.960 8 | 0.23 |
| 胸骨 | 0.999 8 | 0.43 | 0.999 7 | 0.39 | 0.987 3 | 0.44 |
| 左肩 | 0.999 8 | 0.14 | 0.999 8 | 0.18 | 0.987 9 | 0.26 |
| 左肘 | 0.999 8 | 1.21 | 0.999 7 | 1.45 | 0.986 8 | 1.37 |
| 左手 | 0.999 8 | 1.83 | 0.999 6 | 2.18 | 0.986 8 | 1.76 |
| 左腕 | 0.999 9 | 0.75 | 0.999 7 | 0.84 | 0.983 5 | 1.57 |
| 左髋 | 0.999 4 | 3.81 | 0.996 5 | 3.69 | 0.919 6 | 3.57 |
| 左膝 | 0.999 5 | 4.13 | 0.998 4 | 4.48 | 0.923 4 | 4.97 |
| 左踝 | 0.999 9 | 0.52 | 0.999 9 | 0.64 | 0.955 9 | 1.37 |
| 左脚尖 | 0.999 8 | 2.21 | 0.997 5 | 2.53 | 0.963 6 | 1.12 |
| 左脚跟 | 0.999 7 | 2.1 | 0.999 8 | 2.31 | 0.983 3 | 0.48 |
| 右肩 | 0.999 9 | 0.36 | 0.999 9 | 0.39 | 0.977 5 | 0.87 |
| 右肘 | 0.999 9 | 0.51 | 0.999 8 | 0.54 | 0.986 7 | 0.54 |
| 右手 | 0.999 9 | 0.46 | 0.999 8 | 0.59 | 0.978 4 | 1.26 |
| 右腕 | 0.999 9 | 0.75 | 0.999 8 | 0.65 | 0.985 3 | 0.73 |
| 右髋 | 0.999 4 | 3.45 | 0.996 4 | 4.85 | 0.911 5 | 3.87 |
| 右膝 | 0.999 5 | 5.64 | 0.997 5 | 4.65 | 0.926 7 | 3.78 |
| 右踝 | 0.999 9 | 0.62 | 0.999 9 | 0.37 | 0.978 7 | 0.57 |
| 右脚尖 | 0.999 8 | 0.35 | 0.997 1 | 0.43 | 0.988 5 | 0.84 |
| 右脚跟 | 0.999 7 | 0.55 | 0.998 7 | 0.67 | 0.997 8 | 0.65 |
), ArticleFig(id=1233422552316571770, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=表2, caption=
人工处理与Fastmove 3D motion AI系统在人体关节点三维坐标时间序列分析中的相关系数及差值对比
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标定 位置 | X轴坐标 | Y轴坐标 | Z轴坐标 |
相关 系数 | 差值/ cm | 相关 系数 | 差值/ cm | 相关 系数 | 差值/ cm |
| 头顶点 | 0.999 9 | 0.15 | 0.999 9 | 0.16 | 0.957 5 | 0.17 |
| 下颌 | 0.999 9 | 0.34 | 0.999 9 | 0.27 | 0.960 8 | 0.23 |
| 胸骨 | 0.999 8 | 0.43 | 0.999 7 | 0.39 | 0.987 3 | 0.44 |
| 左肩 | 0.999 8 | 0.14 | 0.999 8 | 0.18 | 0.987 9 | 0.26 |
| 左肘 | 0.999 8 | 1.21 | 0.999 7 | 1.45 | 0.986 8 | 1.37 |
| 左手 | 0.999 8 | 1.83 | 0.999 6 | 2.18 | 0.986 8 | 1.76 |
| 左腕 | 0.999 9 | 0.75 | 0.999 7 | 0.84 | 0.983 5 | 1.57 |
| 左髋 | 0.999 4 | 3.81 | 0.996 5 | 3.69 | 0.919 6 | 3.57 |
| 左膝 | 0.999 5 | 4.13 | 0.998 4 | 4.48 | 0.923 4 | 4.97 |
| 左踝 | 0.999 9 | 0.52 | 0.999 9 | 0.64 | 0.955 9 | 1.37 |
| 左脚尖 | 0.999 8 | 2.21 | 0.997 5 | 2.53 | 0.963 6 | 1.12 |
| 左脚跟 | 0.999 7 | 2.1 | 0.999 8 | 2.31 | 0.983 3 | 0.48 |
| 右肩 | 0.999 9 | 0.36 | 0.999 9 | 0.39 | 0.977 5 | 0.87 |
| 右肘 | 0.999 9 | 0.51 | 0.999 8 | 0.54 | 0.986 7 | 0.54 |
| 右手 | 0.999 9 | 0.46 | 0.999 8 | 0.59 | 0.978 4 | 1.26 |
| 右腕 | 0.999 9 | 0.75 | 0.999 8 | 0.65 | 0.985 3 | 0.73 |
| 右髋 | 0.999 4 | 3.45 | 0.996 4 | 4.85 | 0.911 5 | 3.87 |
| 右膝 | 0.999 5 | 5.64 | 0.997 5 | 4.65 | 0.926 7 | 3.78 |
| 右踝 | 0.999 9 | 0.62 | 0.999 9 | 0.37 | 0.978 7 | 0.57 |
| 右脚尖 | 0.999 8 | 0.35 | 0.997 1 | 0.43 | 0.988 5 | 0.84 |
| 右脚跟 | 0.999 7 | 0.55 | 0.998 7 | 0.67 | 0.997 8 | 0.65 |
), ArticleFig(id=1233422552434012298, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=EN, label=Table 3, caption=
Pearson correlation coefficient analysis results between take-off phase athletic performance and kinematic parameters in the 2022 FIS Continental Cup
, figureFileSmall=null, figureFileBig=null, tableContent=
| 动作姿态特征指标 | 出台速度 | 飞行距离 | 姿态分数 | 最终成绩 | |
| r | p | r | p | r | p | r | p | | |
| 蹬伸开始髋角 | 0.100 | 0.712 | 0.370 | 0.159 | -0.058 | 0.830 | 0.244 | 0.362 | | |
| 蹬伸开始膝角 | -0.564 | 0.023* | -0.303 | 0.253 | -0.408 | 0.117 | -0.412 | 0.113 | | |
| 蹬伸开始踝角 | -0.635 | 0.008** | -0.465 | 0.070 | -0.492 | 0.053 | -0.573 | 0.020* | | |
| 起跳瞬间髋角 | 0.047 | 0.862 | 0.165 | 0.541 | -0.111 | 0.683 | 0.089 | 0.742 | | |
| 起跳瞬间膝角 | -0.236 | 0.378 | -0.027 | 0.922 | -0.167 | 0.536 | -0.106 | 0.696 | | |
| 起跳瞬间踝角 | -0.277 | 0.299 | -0.240 | 0.370 | -0.293 | 0.271 | -0.320 | 0.227 | | |
| 起跳瞬间手臂与躯干夹角 | -0.149 | 0.628 | -0.097 | 0.753 | -0.416 | 0.157 | -0.211 | 0.489 | | |
| 起跳瞬间躯干与水平夹角 | 0.398 | 0.127 | 0.261 | 0.330 | 0.298 | 0.262 | 0.298 | 0.262 | | |
| 起跳瞬间身体与雪板夹角 | 0.468 | 0.067 | 0.356 | 0.176 | 0.226 | 0.400 | -0.358 | 0.173 | | |
| 离台瞬间髋角 | 0.273 | 0.306 | 0.419 | 0.106 | 0.119 | 0.661 | 0.394 | 0.131 | | |
| 离台瞬间膝角 | 0.142 | 0.599 | 0.269 | 0.313 | 0.162 | 0.550 | 0.273 | 0.307 | | |
| 离台瞬间踝角 | 0.002 | 0.995 | 0.245 | 0.361 | 0.045 | 0.868 | 0.177 | 0.512 | | |
| 离台瞬间手臂与躯干夹角 | -0.092 | 0.777 | -0.182 | 0.571 | -0.439 | 0.153 | -0.300 | -0.343 | | |
| 离台瞬间躯干与水平夹角 | 0.239 | 0.372 | 0.223 | 0.406 | -0.017 | 0.950 | 0.168 | 0.534 | | |
| 离台瞬间身体与雪板夹角 | 0.282 | 0.290 | 0.340 | 0.297 | 0.079 | 0.772 | 0.302 | 0.256 | | |
), ArticleFig(id=1233422552576618644, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156264263757980349, language=CN, label=表3, caption=
2022年国际雪联洲际杯起跳阶段运动表现与运动学参数的皮尔逊相关系数分析结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 动作姿态特征指标 | 出台速度 | 飞行距离 | 姿态分数 | 最终成绩 | |
| r | p | r | p | r | p | r | p | | |
| 蹬伸开始髋角 | 0.100 | 0.712 | 0.370 | 0.159 | -0.058 | 0.830 | 0.244 | 0.362 | | |
| 蹬伸开始膝角 | -0.564 | 0.023* | -0.303 | 0.253 | -0.408 | 0.117 | -0.412 | 0.113 | | |
| 蹬伸开始踝角 | -0.635 | 0.008** | -0.465 | 0.070 | -0.492 | 0.053 | -0.573 | 0.020* | | |
| 起跳瞬间髋角 | 0.047 | 0.862 | 0.165 | 0.541 | -0.111 | 0.683 | 0.089 | 0.742 | | |
| 起跳瞬间膝角 | -0.236 | 0.378 | -0.027 | 0.922 | -0.167 | 0.536 | -0.106 | 0.696 | | |
| 起跳瞬间踝角 | -0.277 | 0.299 | -0.240 | 0.370 | -0.293 | 0.271 | -0.320 | 0.227 | | |
| 起跳瞬间手臂与躯干夹角 | -0.149 | 0.628 | -0.097 | 0.753 | -0.416 | 0.157 | -0.211 | 0.489 | | |
| 起跳瞬间躯干与水平夹角 | 0.398 | 0.127 | 0.261 | 0.330 | 0.298 | 0.262 | 0.298 | 0.262 | | |
| 起跳瞬间身体与雪板夹角 | 0.468 | 0.067 | 0.356 | 0.176 | 0.226 | 0.400 | -0.358 | 0.173 | | |
| 离台瞬间髋角 | 0.273 | 0.306 | 0.419 | 0.106 | 0.119 | 0.661 | 0.394 | 0.131 | | |
| 离台瞬间膝角 | 0.142 | 0.599 | 0.269 | 0.313 | 0.162 | 0.550 | 0.273 | 0.307 | | |
| 离台瞬间踝角 | 0.002 | 0.995 | 0.245 | 0.361 | 0.045 | 0.868 | 0.177 | 0.512 | | |
| 离台瞬间手臂与躯干夹角 | -0.092 | 0.777 | -0.182 | 0.571 | -0.439 | 0.153 | -0.300 | -0.343 | | |
| 离台瞬间躯干与水平夹角 | 0.239 | 0.372 | 0.223 | 0.406 | -0.017 | 0.950 | 0.168 | 0.534 | | |
| 离台瞬间身体与雪板夹角 | 0.282 | 0.290 | 0.340 | 0.297 | 0.079 | 0.772 | 0.302 | 0.256 | | |
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