The two keys to swimming faster with any stroke are decreasing the resistance of the body in the water and increasing propulsion of the body through the water. Decreasing resistance is always the first step; only when that is done should you work on increasing propulsion. You will get the greatest payoff by streamlining your body in the water –- be a salmon, not a hippo.
How to Swim a Faster 100 Free. Article by Coach Ken on @HoustonChron Online. Read at: http://ow.ly/tQq8k