Popular cardio mythology has it that exercising at low to medium Trim 14 Review intensity for extended periods is the best way to burn fat. You will always see people running on the treadmill in the so called ‘fat burning zone' and it is these treadmills and other pieces of exercise equipment with their target heart rate zones that have helped to perpetuate the myth.
Research has shown that long, low intensity training sessions aren't as effective for fat loss and fitness as short, high intensity exercise. This is even true when the total energy burnt is the same.
If possible you want to train at a higher heart rate for longer, with bursts towards your maximum. This will improve your fitness and increase your fat loss efforts much quicker.
The key to keeping a high heart rate is to mix up the exercises you use. If you do too much of the same exercise your body will adapt and you won't get as much out of it. This is due to a number of factors including that fact that your nervous system is very smart and is designed to learn and make things easier for you the more you do them.