As an alternative, it has been proposed that swimmers should turn to close to 90 degrees to each side when swimming crawl and back strokes, that position supposedly reducing resistance.
英
美
- 替代的方法是应该在爬泳和仰泳时尽量向两侧旋转并尽量接近90度角,这样的姿势被认为可以减少阻力。