What Is Interval Training?
You've probably heard of interval training by now. Interval training consists of short intervals of intense exercise interspersed with slower-paced recovery periods. The recovery periods are either rest periods, in which no exercise is done, or active rest periods, in which slower-paced cardio exercises are done.
Who's It For?
Interval training isn't for everyone. If you've lived a sedentary lifestyle up to this point, interval training may not be the best place to start. It's an incredibly effective training routine, but it can put a lot of stress on the body. It's recommended you workout using other less-intense routines for a while before you start interval training.
Check with your physician and get a clean bill of health prior to starting an interval training routine. Let your doctor know exactly what you have planned and ask him to make sure you're healthy enough to do it. There may be underlying health concerns that preclude you from interval training.