Abstract
Taekwondo is a martial art and combat sport that originated in medieval or similar cultures, but today it is primarily a combat activity conditioned by safety rules. The kick technique is called “chagi” (Korean language). “Eyeballing” is a problem that is being addressed with traditional training methods used in Taekwondo. (1) Background: To solve this problem, the main aim of this study was to develop an Observation System for Technical Performance Indicators-Chagi (OSTPI-C). The validation and reliability processes were carried out by 19 expert judges, who were required to meet at least four out of the five selected inclusion criteria. (2) Methods: The content validity was calculated using Aiken’s V coefficient value on qualitative (relevance, univocity, and importance) and quantitative levels (rating scale from one to five), through the agreement and consensus of the panel experts. The reliability of the instrument was analyzed using Cronbach’s alpha coefficient. (3) Results: The results demonstrated the high content validity indexes (0.90) and high reliability (alpha > 0.70) of the observational instrument. (4) Conclusions: The OSTIP-C observational instrument could be used in the Olympic and Paralympic Taekwondo sport environment as a valid and reliable tool to evaluate the technical execution of kick technical processes.
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