The main obstacle to staying on track with a fitness program is losing motivation. People are just starting an exercise program can find themselves quickly tired of the same routine. Keeping exercise appealing and maintaining a good fitness perspective is key to long-term success. If you have to watch the exact same episode of your favorite television show every day for the rest of your life, you would probably be banging your head against the wall by the end of the week. You would change the channel, pick up a book, or do anything you could to avoid something...