TIME-MOTION ANALYSIS IN ELITE FEMALE WUSHU SANDA ATHLETES ACCORDING TO COMPETITIVE PHASES AND WEIGHT CATEGORIES

Introduction: Wushu Sanda is a Chinese combat sport.Objective: To measure the time-motion structure of elite female wushu sanda athletes during the 13th World Wushu Championships in different weight divisions (light, middle, and heavy categories) and competition phases (eliminatory, quarterfinals, semifinals and finals).Material and methods: Fifty-

In this paper, based on the servo valve controlled pressure cylinder, a scheme of hydraulic here pipeline adjustable parameters water hammer wave test system is proposed.By changing the quality of pressure cylinder piston rod and controlling the opening of servo valve, the overshoot, pressure rise rate and oscillation of water hammer wave can be co