The results showed that there are some differences in skipping level speed between the foreign and Chinese athletes. Chinese athletes should improve the gliding technique and the legpower.
结果显示，我国运动员起跳时水平速度与国外优秀选手还有差距，需提高滑行技术和蹬冰力量；
2
One of the other things a number of people are looking at, and again we are interested in, is adaptive devices that fit around existing limbs like an arm or a leg and provide additional power.