| （College of Sports Human Science，Jilin Institute of Physical Education，Changchun 130022，China） Abstract: In order to reveal the pattern and characteristics of the twice-striding technique for speed roller skating, to establish a foundation for correctly understanding the kinetic principle of the twice-striding technique for speed roller skating, and to provide a scientific criterion for seeking for a more advanced and effortless technique for speed roller skating, the author based his study subject on professional roller skating athletes to acquire the kinetic pa-rameters of the sole of the athletes in a single stride in the twice-striding technique in the process of skating at dif-ferent speeds, and drew the following conclusions: The variation of sole pressure with the time is the main factor that affects the striding effect of speed roller skating; different characteristics of the transmission of sole pressure represent different technical moves, thus producing different moving effects; in speed gliding the twice-striding technique is more conducive to maintaining body balance.
Key words: speed roller skating；twice-striding technique；pressure distribution；pressure characteristics of transmission |
