Warming up also prepares the heart and lungs for exercise and tunes up the central nervous system. It's essential to cool down after a workout. If exercise is stopped suddenly, without a cool-down, the heart continues to pump extra blood. Blood then pools in the limbs, leading to faintness and cramps . Learning Good Sportsmanship Teenagers often get hurt in sports, and the injuries are not always physical.
Humiliation can hurt teenagers' pride.
Intimidation can cause them to learn to dislike sports. Instead of learning sportsmanship and fair play, they may learn the opposite. Often, these problems are the result of an increasing emphasis on winning in an overly competitive world. Maintaining Good Nutrition and Health Habits Teenagers are faced with pressure to improve performance. Many of the decisions they make can affect their health.