Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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1/2013
vol. 30
 
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Original paper
DEVELOPMENT AND EVALUATION OF A NOVEL TAEKWONDO CHEST PROTECTOR TO IMPROVE MOBILITY WHEN PERFORMING AXE KICKS

J.H Woo
,
J.Y. Ko
,
E.Y. Choi
,
J.G. Her
,
D.M. O’Sullivan

Biol. Sport 2013;30:51-55
Online publish date: 2014/07/22
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The axe kick, in Olympic style taekwondo, has been identified as the most popular scoring technique

aimed to the head during full contact competition. The first purpose of this study was to identify and investigate

design issues with the current World Taekwondo Federation approved chest protector. A secondary purpose was

to develop a novel chest protector addressing the identified design issues and to conduct a biomechanical

analysis. Fifteen male elite Taekwondo players were selected to perform three different styles of the axe kick,

i.e., front, in-out, and out-in axe kick five times each for a total of 45 kicks. Two-way repeated measures ANOVA

showed significant differences between the novel and existing chest protector conditions for vertical height of

the toe, downward kicking foot speed, hip flexion angle and ipsilateral shoulder flexion extension range of

motion (ROM) (p<0.05). There were no significant differences between the control condition (no chest protector)

and the novel chest protector condition for these variables (p>0.05). These results indicate that the novel chest

protector interferes less with both the lower and upper limbs during the performance of the axe kick and provides

a more natural, free-moving alternative to the current equipment used.
keywords:

axe kick, novel chest protector, taekwondo

 
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