particpating in water aerobics is beneficial to your body for many reason. First of all ,water aerobics get your heart beating fast. this is good because it make your heart strong. It aslo send blood throughout your body . Second water aerobics bulid up the strength in your muscles. It is harder to move trougth water than trougth air so your have to work harder. Finally water aerobics is good because is doesn't put a strain on your joints. The water support your weigth so your joints don't receive the preeure of all your weigth .in short for these reasons you should try water aerobics.