Measurement of the time structure of the block in volleyball

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  • バレーボールのブロック動作における各フェイズに要する時間
  • バレーボールのブロック動作における各フェイズに要する時間 : 攻撃エリアと身長との関係に着目して
  • バレーボール ノ ブロック ドウサ ニ オケル カク フェイズ ニ ヨウスル ジカン : コウゲキ エリア ト シンチョウ ト ノ カンケイ ニ チャクモク シテ
  • in the light of the offence area and height.
  • 攻撃エリアと身長との関係に着目して

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The purpose of this study was to determine the time structure of the block in volleyball. We divided the time required to block movement (block time) into 4 phases; 1) from stimulus to reaction, 2) lateral movement time, 3) grounding time, and 4) jump time. The time required to each phases was measured by using multi PAS system Ⅱ . Eleven collegiate male volleyball players participated in the measurements. The block time against right, center and left attacks were 1.839 ± 0.128, 1.023 ± 0.169, 1.851 ± 0.114s, respectively. The lateral movement time against right and left attacks occupied 52.9 and 54.3% of the block time The reaction time against center attacks were 75.8% of the block time. A significant negative correlation were found between height and the block time against right, center and left attacks. These results indicate that movement speed to right or left is important in blocking against right and left attacks. Against center attacks, the reaction time is one of the most important factors in block movement.

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