freestyle changelog

- practise breast stroke. keep body floating at a fixed level, like a log floating in the water, keeping a streamlined form. When breathing, use arms to push water so that only the upper body comes out of the water - keep the lower body floating at the same level. After breathing, plunge head into the water back to the original level to restore streamline form, such that the whole horizontal flow of motion cutting through the water does not get disturbed. this is to practise maintaining the floatation level in the water and keeping the legs at a comfortable level. if the legs are not at a comfortable level during freestyle, its energy would be disjointed and become ineffective.

- keep legs floating at a level so that kicks are near the water surface, thereby sinking waist slightly.

- overcompensate for this by using bold strokes for the upper body, twisting and stretching forwards in a somewhat exaggerated manner - which in effect create the arch at the upper body.