2019年6月
野球打撃における身体の回転運動に対する下肢のキネマティクスについて:地面反力によるモーメントの上位群と下位群の比較
体育学研究
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- 巻
- 64
- 号
- 1
- 開始ページ
- 135
- 終了ページ
- 149
- 記述言語
- 日本語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.5432/jjpehss.18034
- 出版者・発行元
- 一般社団法人 日本体育学会
The purpose of this study was to investigate the kinematic characteristics of the lower limbs in relation to the rotation movement of the body based on the moment of the ground reaction force. Twenty-two male collegiate baseball players (age: 19.8 ± 1.3 yr, height 1.75 ± 0.04 m, body mass 73.9 ± 6.2 kg, athletic career:12.1 ± 2.1 yr) participated. They performed baseball tee-batting, set at middle ball height for the strike zone. Threedimensional coordinate data were acquired with a motion capture system (Vicon-MX), and ground reaction force data for both legs were acquired with 3 force platforms. High and low groups (HG and LG) were categorized by the mean peak moment around the vertical axis of the body's center of gravity caused by the ground reaction force. The period analyzed was that from stride-side foot contact with ground until ball impact, and 2 phases were defined as follows: backward phase, stride-side foot contact with ground until the peak moment of the ground reaction force; forward phase, the end of the backward phase until ball impact. Statistical analysis was conducted using an independent t-test between HG and LG (p <0.05), and the effect size was calculated
- リンク情報
- ID情報
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- DOI : 10.5432/jjpehss.18034
- ISSN : 0484-6710
- J-Global ID : 201902212079264784