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関連する概念動画

Social Facilitation01:04

Social Facilitation

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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.
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Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
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Load along a Single Axis01:29

Load along a Single Axis

665
In structural engineering, the analysis of beams subjected to varying loads is a critical aspect of understanding the behavior and performance of these structural elements. A common scenario involves a beam subjected to a combination of different load distributions.
Consider a beam of length L subjected to a varying load, which is a combination of parabolic and trapezoidal load distribution along the x-axis. In this case, it is essential to determine the resultant loads, their locations, and...
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Application of Nonlinear Inequalities01:29

Application of Nonlinear Inequalities

273
A nonlinear inequality describes a comparison involving an expression that curves or behaves more complexly than a straight line. These inequalities often appear in forms that include squares, products, or variables in the denominator.To solve such an inequality, one starts by rewriting it so that zero appears on one side. For example, the inequality:  can be factored as: This form makes it easier to identify the values that cause the expression to equal zero. In this case, the...
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Growth versus Fixed Mindset01:24

Growth versus Fixed Mindset

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Carol Dweck introduced the term mindset to describe individuals' beliefs about their intellectual and personal capabilities. These beliefs significantly influence psychological processes such as motivation, goal-setting, and perseverance, ultimately shaping academic and life outcomes. Individuals generally possess one of two mindsets- a fixed or a growth mindset—each promoting different responses to success, failure, and challenge.Fixed vs. Growth MindsetA fixed mindset assumes that one's...
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Distributed Loads: Problem Solving01:21

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Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
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意図と成果が一致しているか:開発目標と青少年バスケットボールのトレーニング負荷を一致させる

Jonathon R Lever1,2,3, Rob Duffield1, Andrew Murray2

  • 1Faculty of Health, School of Sport, Exercise and Rehabilitation, University of Technology Sydney, Syndey, NSW, Australia.

European journal of sport science
|February 20, 2026
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まとめ

外部トレーニングの負荷指標は,エリートユースバスケットボールのコーチが割り当てた目標と一致しています. このデータベースのアプローチは,トレーニングデザインとプレーヤー開発のための物理的な要求を評価するのに役立ちます.

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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
  • ユースアスリート開発 ユースアスリート開発

背景:

  • エリートユースバスケットボールアカデミーは,プレーヤーの進歩を導くために個々の開発目標 (IDGs) を規定します.
  • 既定の目標と実際のトレーニング要求の関係を理解することは,効果的なアスリート開発に不可欠です.
  • 外部トレーニングロードメトリックは,トレーニングセッションの身体的強度に関する客観的なデータを提供します.

研究 の 目的:

  • エリートユースバスケットボールの外部トレーニングロードメトリックとコーチが割り当てた個人開発目標 (IDGs) の間の連携を調査する.
  • 訓練設計と物理的な要求の間の一致性を評価するためのデータ主導の枠組みを開発する.
  • 開発目標の異なるタイプに関連した特定の外部負荷プロファイルを特定する.

主な方法:

  • 25人のエリート男子青年バスケットボール選手から2年間にわたって外部トレーニングロードデータ (Catapult Vector S7) を収集しました.
  • 誘導的テーマ分析を使用して,コーチが割り当てた16の特定の個人開発目標 (IDGs) を分類しました.
  • 一分あたりの外部負荷メトリックを使用してIDGカテゴリーと特定のゴールタイプを分類するために,多項式のロジスティック回帰モデルを開発しました.

主要な成果:

  • 両モデルは66%の分類精度 (Kappa = 0.60) を達成し,IDGと外部負荷プロファイルとの間に有意な関連性を示した.
  • 主な予測指標には,高強度減速数,垂直プレーヤーロード,高速走行距離などが含まれていました.
  • 累積されたトレーニング時間は,特定のゴールタイプによって著しく変化し,季節的なトレーニングの重点を反映した.

結論:

  • 外部トレーニングロードメトリックは,若者バスケットボールのコーチが割り当てた開発目標の構造と意図を効果的に反映します.
  • この研究は,トレーニングの処方箋と身体的要求の間の整合性を評価するためのデータ主導の枠組みを提供します.
  • 発見は,客観的な負荷データを特定のプレーヤー開発目標とリンクすることにより,トレーニング設計を最適化することを支持しています.