Learning to Swim Freestyle on your Side
When we learned to swim freestyle as children, most of us swim flat in the water, with little or no hip rotation as our arms are doing the majority of the work. Many triathletes and open water swimmers have found it necessary to change their stroke and swim more on their sides in order to conserve energy, swim faster, and get through potential rough water conditions with greater ease.
Rotating from side to side as you swim is a method that has been around for over 30 years. When Mark Spitz was gaining national recognition in the early 70