| （Sports Biomechanics Teaching and Research Room，Chengdu Sport University，Chengdu 610041，China） Abstract: By analyzing and studying the technical data of 31 cases of clean and jerk, the author probed into such technical principles in weightlifting techniques as “near”, “rapid”, “low” and “accurate”, as well as the ways to quantify such important technical characteristics as “twice explosion of power” and “downward smash force”, and revealed that these issues probed into theoretically or described qualitatively in the past can be fully quantitatively analyzed by means of such main characteristic kinetic data and indexes as the center of gravity of the barbell and the human body. The author also put forward specific methods for quantification and analysis.
Key words: sports biomechanics；weightlifting；clean and jerk |
