(CNN) -- Former Olympic champion Angel Matos of Cuba faces a life ban after kicking a referee flush in the face during his taekwondo bronze ... who scored with a clear head kick -- worth two ...

Republic of Korea Objective The objective of this study was to assess the effect of taekwondo kicks and peak foot velocity (FVEL) on resultant head linear acceleration (RLA), head injury criterion ...

Taekwondo has been on the full Olympic programme ... Points are scored as follows: punch to trunk (one), kick to trunk (two), kick to head (three), turning kick to trunk (four), turning kick ...