For many people, losing weight, toning up or simply improving their fitness level is a challenge. They do not have the motivation that they should have. They do not understand the best routines they should follow or they do not know the proper form for the exercises they do know. They may not know how nutrition and exercise work together for a healthy and strong body. That being said, there are people who will do things their own way, injure themselves, and give up. There are those who will read books, watch DVDs, or follow along with others and try to pick up proper technique that way. And, finally, there are those who really care about their health and safety, who want to learn about their fitness and will work to learn the skills that they need. These people will find and hire a personal trainer for at least a few sessions, learning everything that they can in the meantime.