アルパインスキー選手の双方向パフォーマンスに対する横方向の優位性の影響
1Sports Coaching College, Beijing Sport University, Beijing, China.
Frontiers in sports and active living
|February 16, 2026
まとめ
横軸の優位性は,アルプスキーでのパフォーマンスに大きく影響を与えます. 非支配的な側面への転換は,開始を向上させ,一方,ipsilateral dominanceは完了に有利であり,より良い結果のためにトレーニングの適応を提案します.
科学分野:
- スポーツ科学 スポーツ科学
- バイオメカニクス バイオメカニクス
- 人間の動き 人間の動き
背景:
- 眼と足の好みを包含する側面の優位性は,運動スキルの実行における重要な要因です.
- アルパインスキーにおける横行性の役割を理解することで,パフォーマンスを向上させるためのトレーニング戦略を最適化することができます.
研究 の 目的:
- 横向の優位性 (目/脚,横向/交差) がアルプスキー選手の双方向のターニングにどのように影響するか調査する.
- トレーニングの最適化のために,異なるスキーフェーズにおける横行性のメカニズム的役割を分析する.
主な方法:
- 22人のエリートアルペンスキーヤーがスキーシミュレーターでスラロムテストを行った.
- キネマティックとタイミングは,4Kカメラを使用して,ターニングフェーズで記録されました.
- 目と足の優位性は評価され,参加者はipsilateral/crossed 優位性グループに分類されました.
主要な成果:
- 非支配的な側に向くことは,開始段階のパフォーマンスを改善しました (P=0.015).
- Ipsilateral dominanceは,完成時に支配的な側と並べられたターンで優れたパフォーマンスを示した (P=0.021).
- クロス・ドミナントのスキーヤーは,おそらく半球間統合の遅延のために,最も低いパフォーマンスを示しました.
結論:
- 横行性は,視覚運動カップリングによるスラロームのパフォーマンスに影響します.
- Ipsilateral 優位性は,イニシアチブ段階で神経効率の利点を提供します.
- デュアルタスクトレーニングは,スキーの視覚運動調整と双方向対称性を高めることができます.
さらに関連する動画
10:08Effects of a Novel Neuromuscular Training Intervention on Jump, Sprint, and Change of Direction in Adult Female Soccer Players
Published on: June 10, 2025
1.4K
07:06Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
Published on: March 21, 2025
1.2K
関連する概念動画
Lateralization
1.1K
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
1.1K
Relationship Formation
46.3K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
46.3K
Collisions in Multiple Dimensions: Problem Solving
5.5K
In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
5.5K
X-linked Traits
59.0K
In most mammalian species, females have two X sex chromosomes and males have an X and Y. As a result, mutations on the X chromosome in females may be masked by the presence of a normal allele on the second X. In contrast, a mutation on the X chromosome in males more often causes observable biological defects, as there is no normal X to compensate. Trait variations arising from mutations on the X chromosome are called “X-linked”.
59.0K
Social Facilitation
36.6K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
36.6K
