I'm sure many of you are already aware of this article on about.com It reviews a couple of studies that try to explain why swimmers tend to have more body fat than other athletes.
Thought if you weren't aware of the article you might find it interesting.
swimming.about.com/.../offsite.htm
Lainey
Buoyancy is irrelevant at speeds about 30 sec/50 yd as at about that speed you are going faster than your bow wave(that is you are exceeding your "hull speed" which is a function of the square root of your height) and so your body naturally rises. At speeds slower than this,buoyancy may be of some help,if the amount it raises you out of the water more than ofsets the expansion of your circumference.
Buoyancy is irrelevant at speeds about 30 sec/50 yd as at about that speed you are going faster than your bow wave(that is you are exceeding your "hull speed" which is a function of the square root of your height) and so your body naturally rises. At speeds slower than this,buoyancy may be of some help,if the amount it raises you out of the water more than ofsets the expansion of your circumference.
