The effect of kiai, active expiration and breath holding on the speed of a gyaku tsuki (reverse punch) - Del Rosario, Caelyn Mari C.; Madrigal, Norberto R. (Quezon City College of Human Kinetics, University of the Philippines Diliman, 2005)
Thesis (B. Sports Science)--University of the Philippines Diliman
Keywords: Karate -- Striking; Respiration