Jane Katz - Health & Fitness - 1983 - 260 pages
Describes a program of swimming exercises designed to maintain the physical fitness of pregnant women and prepare them for childbirth
Blythe Lucero - Sports & Recreation - 2007 - 280 pages
Good swimming is all about moving through the water with the utmost efficiency. However, it is often difficult to isolate a technique problem through simply swimming laps. For ...