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两种教学方法对滑雪初学者足部负荷的影响——一项对比研究

The Influence of Two Teaching Approaches on Foot Loading in Skiing Beginners-A Comparative Study.

作者信息

Kurpiers Nicolas, Gersmann Luca, Reinhart Kai, Eden Nils, Kersting Uwe G

机构信息

Department of Sport Science, University of Hildesheim, 31141 Hildesheim, Germany.

Department of Sport Science, University of Münster, 48149 Münster, Germany.

出版信息

Sensors (Basel). 2024 Nov 29;24(23):7653. doi: 10.3390/s24237653.

Abstract

(1) Background: Alpine skiing, with its long history, has experienced numerous innovations and developments on all levels ranging from technology to fashion over the past 120 years. However, teaching approaches for beginners remained quite consistent for many decades and are mainly grounded in experience. The One-Ski-Method (OSM) is an alternative approach to the predominant snowplow (SP) method with the strategy to initially experience and acquire the elementary positions and actions on one ski in order to subsequently transfer these to two skis. The aim of the study was to compare the effects of the SP and the OSM by assessing the position of the ski via load distribution sensors. (2) Methods: A total of 33 participants were groupwise randomly assigned to the two methods and tested via load insoles on the first and the fifth day on a moderate slope for six turns. Between the two measurements, the groups were instructed according to the SP or the OSM methods, respectively. The data were analyzed via Matlab and SPSS. (3) Results: The OSM group showed a significantly greater forefoot load than the SP group ( = 0.029). The SP group developed a greater rearfoot loading from pre- to post testing. (4) Conclusions: The findings make it perceivable that OSM learners acquire a beneficial specific position on the ski due to the exercises of the OSM.

摘要

(1) 背景:高山滑雪历史悠久,在过去120年里,从技术到时尚等各个层面都经历了无数的创新和发展。然而,几十年来初学者的教学方法一直相当一致,且主要基于经验。单板滑雪法(OSM)是一种替代主流犁式滑雪(SP)法的方法,其策略是先在一块雪板上体验并掌握基本姿势和动作,随后再将这些应用到两块雪板上。本研究的目的是通过负荷分布传感器评估雪板位置,比较SP法和OSM法的效果。(2) 方法:总共33名参与者被随机分组并分配到两种方法中,在第一天和第五天通过负荷鞋垫在中等坡度上进行六次转弯测试。在两次测量之间,两组分别按照SP法或OSM法进行指导。数据通过Matlab和SPSS进行分析。(3) 结果:OSM组前脚负荷显著高于SP组( = 0.029)。SP组从测试前到测试后后脚负荷增加更多。(4) 结论:研究结果表明,由于OSM的练习,采用OSM法的学习者在雪板上获得了有益的特定姿势。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b6b/11644853/aec5a1b53c7f/sensors-24-07653-g001.jpg

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