The Optimal Stepping-in-place Tempo and Type of Roundhouse Kick for the Strong Impact Force in Taekwondo
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The aims of this study were to investigate the effects of stepping-in-place tempo on impact force of round house kick and to determine whether the impact force was the same according to types of round house kick; front leg body; front leg head; rear leg body; rear leg head. Fifteen Taekwondo experts performed four type of roundhouse kicks at five different stepping-in-place tempos; 100; 120; 140; 160; 180 bpm. Each participant performed 60 round house kicks body and head height in random order. The impact force was analysed using 4 (kick type) × 5 (tempo) ways repeated measures ANOVA. Estimated impact force at 140 bpm was significantly stronger than at 100 bpm. Estimated impact force for FLB and RLB were stronger than FLH and RLB was stronger than RLH. In addition, kick type x tempo interaction was significant. The findings of this study indicate that there exists an ideal stepping-in-place tempo for generating robust impact force, and that body kicks consistently yield more impact force in comparison to head kicks across all stepping-in-place tempos. This study provides useful information on the optimal movements for enhancing Taekwondo performance related to power output and has important applications for both coaches and players establishing Taekwondo match strategies.
Abstract
The aims of this study were to investigate the effects of stepping-in-place tempo on impact force of round house kick and to determine whether the impact force was the same according to types of round house kick; front leg body; front leg head; rear leg body; rear leg head. Fifteen Taekwondo experts performed four type of roundhouse kicks at five different stepping-in-place tempos; 100; 120; 140; 160; 180 bpm. Each participant performed 60 round house kicks body and head height in random order. The impact force was analysed using 4 (kick type) × 5 (tempo) ways repeated measures ANOVA. Estimated impact force at 140 bpm was significantly stronger than at 100 bpm. Estimated impact force for FLB and RLB were stronger than FLH and RLB was stronger than RLH. In addition, kick type x tempo interaction was significant. The findings of this study indicate that there exists an ideal stepping-in-place tempo for generating robust impact force, and that body kicks consistently yield more impact force in comparison to head kicks across all stepping-in-place tempos. This study provides useful information on the optimal movements for enhancing Taekwondo performance related to power output and has important applications for both coaches and players establishing Taekwondo match strategies.