Of the many fitness-oriented pieces of equipment available today, one the most effective is also one of the least understood. A heart rate monitor, however, is not a complicated device. In fact, it un-complicates a wieldy but essential fitness formula by putting the calculated answer right before your eyes. In so doing, it aids you in reaching your fitness goals more safely and quickly.While calculating your heart rate during a workout can be accomplished manually, there are some inherent proble.