Provides exercise programs for all fitness levels using water resistance to firm and strengthen flabby muscle groupsMonitor your heart rate throughout the interval training. (See box ... Scientific studies have shown that heart rates taken by manual palpation are often understated by as much as fourteen beats per minute. For more accurate heart- rate measurements, wireless, warer-resistant Polar Edge and Polar Accurex heart-rate monitors should be used. ... Once you program the upper and lower reaches of your target heart-rate zone, the watch will beep if you fall below or work above that zone.
|Title||:||The Complete Waterpower Workout Book|
|Publisher||:||Random House Incorporated - 1993|