The document discusses lifestyle physical activities and how to incorporate them into a daily routine. It defines lifestyle physical activities as those that can be done at a moderate intensity for most of one's life, such as housework, yardwork, and various sports like golf. The document recommends that teens aim for at least 30 minutes per day of lifestyle physical activities on most days of the week. It also discusses how pedometers can help motivate increased physical activity by counting daily steps and setting step goals.