Factors influencing the impact force of the taekwondo roundhouse kick
The roundhouse kick is a powerful taekwondo move, commonly used in sparring matches. The kick's power could be derived from the angular position and activation of muscles controlling the ankle joint. The aim of this study was to investigatethe ankle joint angle and activation of the lower leg m...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
2014
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| Online Access: | http://www.scopus.com/inward/record.url?eid=2-s2.0-84897633065&partnerID=40&md5=9d8c904d8a5e3c8c585d94b33f3c73f3 http://cmuir.cmu.ac.th/handle/6653943832/696 |
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| Institution: | Chiang Mai University |
| Language: | English |
| Summary: | The roundhouse kick is a powerful taekwondo move, commonly used in sparring matches. The kick's power could be derived from the angular position and activation of muscles controlling the ankle joint. The aim of this study was to investigatethe ankle joint angle and activation of the lower leg muscles at different levels of impact force. Twenty Thai,black-belt, male, Taekwondo athletes performed roundhouse kicks with their maximal effort. Ankle joint motion was recorded using an electrogoniometer sensor. Activations of gastrocnemius and tibialis anterior muscles were monitored using surface electromyography. The athletes were divided into two groups based on their maximal impact forces: high (HI; 172.03 ± 19.36 N) and low (LO; 110.14 ± 20.20 N). Comparisons between the two groups showed that the HI group demonstrated significantly less plantarflexion angle and gastrocnemius activation than the LO group (P < 0.05). This indicates that impact force of the roundhouse kick may depend on the ankle joint position and gastrocnemius activation. |
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