By eHow Sports & Fitness Editor
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A pull buoy is a foam flotation device that is placed between a swimmer's legs to provide support while practicing different strokes. It is used to elevate the legs and properly position the body in the water. Pull buoys allow swimmers to focus on their arm movements and build upper body strength. The pull buoy should be positioned between the upper thighs, near the crotch, for proper body alignment.
eHow Sports & Fitness Editor