问:我2002年学游泳。跟教练练了一年多。他很重视技术。好像有收获。虽说他认为我技术不错,但是我觉得我的划步不够长。怎样通过划手掌练习改进技术呢?答:有几个方法:(1)两腿夹板,以最少划次戴划手掌中速游4×300米。在训练的第二年可这么练。这种练习很有益,特别对技术的改进? Q: I learned to swim in 2002. With the coach more than a year. He attaches great importance to technology. Seems to be harvested. Although he thinks I am good at technology, I think my steps are not long enough. How do you improve your technique by paddling? Answer: There are several ways: (1) splint your legs to a minimum stroke and wear a hand speed 4 × 300 meters. In the second year of training can be so practice. This exercise is very useful, especially for technical improvements?