Follow any dive in crawl stroke with from 3-6 of the fastest possible double-leg kicks.
在爬泳中,无论是哪一种出发跳水,入水后都要尽可能快速地打3 - 6次海豚腿。
2
Hobson was told by doctors he had a classic case of Wallenberg's syndrome - the symptoms included difficulty moving, especially his right leg and arm, problems with balance and double vision.