The ironic factor about aerobic workout routines is that these organs we primarily wish to exercise for the aerobic training effect -- the center and lungs -- aren't the chief supply of most of our discomfort. Instead, it is the toes, ankles, and legs -- which need to work so onerous to train the center and lungs -- that get into essentially the most hassle. To help prevent accidents and keep your walking pain to a minimal, you should do three issues: Take good care of your feet