Three-dimensional high speed photography was used for a kinematical analysis of high jumpers' techniques just before and after take-off. 7 elite Chinese female high jumpers taking part in the trials for 1998 Asian Games served as subjects. The results showed that the vertical speed of take-off of Chinese jumpers were good but their H1 and H2 were lower than that of world level high jumpers. Their driving of ankle, knee and hip joints was lower at the moment of take-off and their swing range was smaller at t...