出典・参考文献
現在のベンチマークは、以下に掲載する業界の参照データに基づいています。AIを活用してこれらのデータを体系的に収集・照合し、年齢別ベンチマークにまとめました。完全な透明性を信条としています — 数値の出典はすべてここに記載しています。
より多くのコーチや選手がCoachBallに測定値を入力するにつれて、各スポーツ・指標・年齢グループごとに参照データを集計された実測データに段階的に置き換えていきます。
Rapsodoデータガイド
Rapsodoは数百万の投球と打撃のデータを収集し、野球とソフトボールの年齢別平均値ガイドを開発しました。
Rapsodo — Baseball Hitting Averages by Age Data Guide
Exit velocity medians by age group, split by session type (Tee, Soft Toss, Live/BP). Based on millions of hits recorded with Rapsodo technology.
Rapsodo — Baseball Pitching Averages by Age
Pitch velocity averages by age group from 10U through professional, based on millions of pitches recorded with Rapsodo.
Rapsodo — Baseball Hitting Averages by Age
Exit velocity and launch angle data by age group from 10U through professional.
Rapsodo — Softball Pitching Averages by Age Guide
Average fastball velocity by age for softball pitchers, split by throwing hand (RH/LH). Includes elite averages.
Rapsodo — Softball Hitting Averages by Age Guide
Exit velocity averages by age for softball hitters, split by session type and throwing hand.
Rapsodo記事・ブログ投稿
速度の発達とベンチマーキングに関する追加コンテキストを提供するRapsodoの補足記事。
Rapsodo — Pitching Harder & Smarter: What Every Pitcher Should Know About Velocity & Release Angle
Average and elite fastball velocities by age for softball pitchers, with context on velocity development.
Rapsodo — The Ultimate Guide to Baselines and Benchmarking
How to use Rapsodo data for player development benchmarking across age groups.
Driveline Baseball
Driveline Baseballは、トレーニングアカデミーからの豊富な速度・バイオメカニクスデータを持つ、選手育成の最先端組織です。
Driveline Baseball — Youth Baseball Player Development: Velocity Aging Curves
Median pitch velocity and exit velocity by age from the Driveline academy dataset, with aging curves and development context.
Driveline Baseball — Youth Baseball Pitching Mechanics Analysis Across Age Groups
Distribution of pitch velocity, bat speed, and exit velocity across age groups with developmental analysis.
査読済み・学術研究
少年野球の投球速度、バイオメカニクス、選手育成に関する科学論文。
Axe et al. (2014) — A Speed Distance-Based Classification System for Injury Prevention and Research in International and Domestic Youth Baseball Players
Peer-reviewed study with mean maximum pitch speed data for USA and international youth pitchers by age group.
Lesniak et al. (2015) — Throwing Velocity in Youth and Adolescent Pitchers
Preseason dual-orthogonal high-speed video analysis with radar gun velocity measurements for youth and adolescent pitchers.
Perfecting Your Pitch — VU Amsterdam Dissertation
Academic dissertation on elite youth baseball pitching performance, including pitch speed data for ages around 15 years.