University of Canberra Research Institute for Sport and Exercise, University Avenue, University of Canberra, Australia.
University of Canberra Research Institute for Sport and Exercise, University Avenue, University of Canberra, Australia.
J Sci Med Sport. 2021 Oct;24(10):1021-1025. doi: 10.1016/j.jsams.2020.05.011. Epub 2020 May 17.
To determine whether the proprioceptive ability of advanced and expert snowsport participants increased with time on-snow, and whether gender, age, snowsport discipline and/or previous ankle injury were factors in proprioceptive ability at the start of the winter snow season (T1, n=80) compared to mid- season (T2, n=39).
Observational study METHOD: Participants completed a questionnaire at T1, and proprioception was measured at T1 and T2 by the Active Movement Extent Discrimination Apparatus (AMEDA), which tests lower limb proprioception.
At T1 there was no significant difference between the proprioception scores of the two cohorts of advanced and expert snowsport participants, between females and males, younger and older age groups, nor between alpine skiers and snowboarders. At T2, after a minimum of 5 weeks on-snow, the whole group had improved their proprioception by 0.04 (p<.0001) as measured by the AMEDA. Groups undertaking different snowsport disciplines achieved different gains across the season, with minimal change of 0.02 in skiers (p=.056), while snowboarders and mixed ski/snowboard participants gained 0.05 (p=.034) and 0.06 (p=.005) (η 0.63 and 0.47 respectively). Males, females, instructors and elite youth participants all improved their proprioception by mid-season (η 0.29-0.46).
Amongst an established group of snowsports participants, lower limb proprioception is a consistent skill that is equally well developed in all cohorts. Several weeks of regular snowsport exposure improves this proprioceptive acuity amongst snowboarders, and those who mix snowboarding with skiing. Exposure to a prolonged period of snowsport improves proprioception, with benefits to neuromuscular control mechanisms.
确定高级和专家级雪上运动参与者的本体感觉能力是否随雪上时间的增加而提高，以及性别、年龄、雪上运动项目和/或冬季雪季开始时（T1，n=80）的既往踝关节损伤是否是本体感觉能力的因素与赛季中期（T2，n=39）相比。
观察性研究
参与者在 T1 时完成一份问卷，在 T1 和 T2 时使用主动运动范围辨别仪（AMEDA）测量本体感觉，该仪器测试下肢本体感觉。
在 T1 时，两组高级和专家级雪上运动参与者、女性和男性、年轻和年长组之间，以及高山滑雪者和单板滑雪者之间的本体感觉评分均无显著差异。在 T2 时，经过至少 5 周的雪上运动后，整个组的 AMEDA 测量的本体感觉提高了 0.04（p<.0001）。在整个赛季中，从事不同雪上运动项目的组获得了不同的收益，滑雪者的变化最小，为 0.02（p=.056），而单板滑雪者和混合滑雪/单板滑雪者分别获得了 0.05（p=.034）和 0.06（p=.005）（η 0.63 和 0.47）。男性、女性、教练和青年精英参与者在赛季中期都提高了他们的本体感觉（η 0.29-0.46）。
在一组既定的雪上运动参与者中，下肢本体感觉是一项一致的技能，所有参与者的技能水平都相当。数周的常规雪上运动暴露可提高单板滑雪者和混合滑雪/单板滑雪者的这种本体感觉敏锐度。长时间接触雪上运动可提高本体感觉，从而改善神经肌肉控制机制。
