Uda Shunya, Miyamoto Naoto, Kajiwara Wako, Nakano Hiroshi, Onodera Keisuke, Horimoto Ryoji, Okada Takato, Takeda Masaki
Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe 610-0394, Japan.
Research Center for Sports Sensing, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe 610-0394, Japan.
Sensors (Basel). 2025 Apr 17;25(8):2521. doi: 10.3390/s25082521.
This study aimed to examine how physiological determinants are associated with skiing technique and race performance in cross-country roller skiing by integrating motion data obtained via a Global Navigation Satellite System (GNSS) with laboratory-based physiological assessments. Nineteen well-trained male skiers completed a 10 km roller ski race, during which skiing velocity, cycle length, cycle time, and sub-technique usage were measured using GNSS. Whole-body and upper-body endurance and power were evaluated on the treadmill and ski ergometer. Time to exhaustion during the double poling test (r = -0.84, < 0.01) and VO from the pole walk and run test (r = -0.72, < 0.01) were the strongest predictors of race performance, and both were significantly associated with skiing velocity (VO: r = 0.79, < 0.01; TTE-DPT: r = 0.81, < 0.01) and cycle length (VO: r = 0.58, < 0.01; TTE-DPT: r = 0.47, < 0.05) in the most frequently used technique. These findings suggest that the development of both whole-body and upper-body endurance plays a crucial role in improving technical efficiency and race performances.
本研究旨在通过将全球导航卫星系统（GNSS）获取的运动数据与基于实验室的生理评估相结合，探讨生理决定因素与越野轮滑滑雪技术及比赛成绩之间的关联。19名训练有素的男性滑雪者完成了一场10公里的轮滑滑雪比赛，比赛期间使用GNSS测量滑雪速度、周期长度、周期时间和子技术使用情况。在跑步机和滑雪测力计上评估全身和上身的耐力及力量。双杖测试中的疲劳时间（r = -0.84，<0.01）以及撑杖行走和跑步测试中的摄氧量（r = -0.72，<0.01）是比赛成绩的最强预测指标，并且两者均与最常用技术中的滑雪速度（摄氧量：r = 0.79，<0.01；双杖测试疲劳时间：r = 0.81，<0.01）和周期长度（摄氧量：r = 0.58，<0.01；双杖测试疲劳时间：r = 0.47，<0.05）显著相关。这些发现表明，全身和上身耐力的发展对提高技术效率和比赛成绩起着至关重要的作用。
