Previous studies in taekwondo have considered the use of the manual scoring system or the electronic system with only the use of the electronic body protector. The objective of this study was to analyze the relationship between the color protectors and success in 1. 327 taekwondo matches from six World Grand Prix Series of two 4-year Olympic periods when electronic body and head prote... https://megavitamines.shop/product-category/vitamin-c/