Interval Training Programs are not just for athletes and hard bodies. According to Tim Church of the Pennington Biomedical Research Institute in Baton Rouge, Louisiana, “the benefit of interval training is that it’s a very efficient way to increase your fitness quickly”. The goal with most interval training programs is to increase the heart rate to about 80% of maximum oxygen consumption for short periods of time, followed by a recovery period when the decreased pace of activity allows the heart rate to slow …