Improving aerobic fitness is easily the best way to improve day to day living, and aerobic exercise is the best way to achieve increases. But each of us has differing levels of ability and fitness to consider so the question often becomes just how hard should exercise be done?
First and foremost everyone should consult qualified medical professionals to determine their exercise limits prior to engaging in physical activity. From this consultation you can map out a path to regular training and fitness routines.
Exercise is evaluated in intensity, duration, and frequency. Long ago, before training was studied in controlled environments, the prescription for exercise usually came from any number of unproven systems.
As the science of exercise and training evolved over the years, medical and athletic trainers began developing tools to identify factors associated with fitness improvement….