野球バットの長さが打撃に及ぼす影響

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書誌事項

タイトル別名
  • Effect of length of a baseball bat on the hitting
公開日
2017
DOI
  • 10.1299/jsmeshd.2017.c-17
公開者
一般社団法人 日本機械学会

説明

<p>Much remains unclear regarding the relationship between the length of a baseball bat and the outcome of the hit. This study therefore aimed to clarify how length in a baseball bat affects the batter's hitting of a ball approaching from the front. The participants were four male members of a university baseball club (height: 1.72±1.2 m, weight: 68.3±4.2 kg, baseball career: 13.7±2.5 years) who hit a ball launched from a pitching machine located ahead of them. Participants attempted 10 swings using an experimental baseball bat. Changing the length of the baseball bat affected the rotational motion and the linear motion of bat. The swing changed by the length of a baseball bat. Results indicate that the position of the impact and timing of ball impact changed by changing the length of the baseball bat. This shows that the length of bat affects the impact position of the bat and timing of impact upon a hit.</p>

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